octave: libinterp/corefcn/syscalls.cc annotate

annotate libinterp/corefcn/syscalls.cc @ 25782:0862570da0ae

isfile.m: New function for Matlab compatibility (bug #54508). * scripts/miscellaneous/isfile.m: New function. * scripts/miscellaneous/module.mk: Add isfile.m to build system. * NEWS: Announce new function. * system.txi: Add isfile to manual. * syscalls.cc (Fstat): Add isfile to seealso link. * isfolder.m: Add isfile to seealso link.

author	Rik <rik@octave.org>
date	Mon, 13 Aug 2018 14:42:45 -0700
parents	e04c56bbbace
children	f881d3e271d2

rev	line source
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1 /*
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	2
25054 6652d3823428 maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 25003 diff changeset	3 Copyright (C) 1996-2018 John W. Eaton
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10336 diff changeset	4 Copyright (C) 2010 VZLU Prague
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	5
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	7
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24082 diff changeset	8 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	9 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24082 diff changeset	10 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	11 (at your option) any later version.
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	12
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22713 diff changeset	16 GNU General Public License for more details.
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	17
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	19 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24082 diff changeset	20 <https://www.gnu.org/licenses/>.
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	21
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	22 */
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	23
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	24 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	25 // the following functions:
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	26 //
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	27 // mkfifo unlink waitpid
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	28
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21672 diff changeset	29 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	30 # include "config.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	31 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	32
21949 baeffde5c87d fix build for Windows systems John W. Eaton <jwe@octave.org> parents: 21937 diff changeset	33 #include <ctime>
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	34 #include <cstdio>
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	35 #include <cstring>
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	36
17236 6a6e3f1a824c save history on exec (bug #39734) John W. Eaton <jwe@octave.org> parents: 15221 diff changeset	37 #include "cmd-hist.h"
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	38 #include "fcntl-wrappers.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	39 #include "file-ops.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	40 #include "file-stat.h"
22087 7f79c716876c eliminate unused parameter from octave::sys::popen2 John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	41 #include "lo-utils.h"
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	42 #include "oct-env.h"
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	43 #include "oct-syscalls.h"
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	44 #include "oct-uname.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	45 #include "defun.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	46 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	47 #include "errwarn.h"
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	48 #include "interpreter.h"
17236 6a6e3f1a824c save history on exec (bug #39734) John W. Eaton <jwe@octave.org> parents: 15221 diff changeset	49 #include "oct-hist.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	50 #include "oct-map.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	51 #include "ovl.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	52 #include "oct-stdstrm.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	53 #include "oct-stream.h"
25742 d3c6de326bae close/reload editor tab when file is (re)moved in gui terminal (bug #43922) Torsten <mttl@mailbox.org> parents: 25113 diff changeset	54 #include "octave-link.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	55 #include "sysdep.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	56 #include "utils.h"
2366 c90105b99479 [project @ 1996-10-11 23:22:27 by jwe] jwe parents: 2305 diff changeset	57 #include "variables.h"
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	58 #include "input.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	59
10762 d53eb6249892 use scalar map in some syscalls Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	60 static octave_scalar_map
21737 ab6c639f0678 finish previous changeset (0504351a45e6). John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	61 mk_stat_map (const octave::sys::base_file_stat& fs)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	62 {
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	63 static bool have_rdev =
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	64 octave::sys::base_file_stat::have_struct_stat_st_rdev ();
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	65 static bool have_blksize =
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	66 octave::sys::base_file_stat::have_struct_stat_st_blksize ();
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	67 static bool have_blocks =
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	68 octave::sys::base_file_stat::have_struct_stat_st_blocks ();
21935 2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	69
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	70 static double nan = octave::numeric_limits<double>::NaN ();
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	71
10762 d53eb6249892 use scalar map in some syscalls Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	72 octave_scalar_map m;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	73
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	74 m.assign ("dev", static_cast<double> (fs.dev ()));
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	75 m.assign ("ino", fs.ino ());
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	76 m.assign ("mode", fs.mode ());
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	77 m.assign ("modestr", fs.mode_as_string ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	78 m.assign ("nlink", fs.nlink ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	79 m.assign ("uid", fs.uid ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	80 m.assign ("gid", fs.gid ());
21935 2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	81 m.assign ("rdev", have_rdev ? static_cast<double> (fs.rdev ()) : nan);
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	82 m.assign ("size", fs.size ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	83 m.assign ("atime", fs.atime ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	84 m.assign ("mtime", fs.mtime ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	85 m.assign ("ctime", fs.ctime ());
21935 2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	86
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	87 if (have_blksize)
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	88 m.assign ("blksize", fs.blksize ());
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	89 else
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	90 m.assign ("blksize", nan);
21937 55f7de37b618 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 21935 diff changeset	91
21935 2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	92 if (have_blocks)
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	93 m.assign ("blocks", fs.blocks ());
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	94 else
2f33052c68ff hide sys/stat.h header John W. Eaton <jwe@octave.org> parents: 21921 diff changeset	95 m.assign ("blocks", nan);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	96
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	97 return m;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	98 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	99
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	100 static octave_value_list
21737 ab6c639f0678 finish previous changeset (0504351a45e6). John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	101 mk_stat_result (const octave::sys::base_file_stat& fs)
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	102 {
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	103 if (fs)
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	104 return ovl (octave_value (mk_stat_map (fs)), 0, "");
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	105 else
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	106 return ovl (Matrix (), -1, fs.error ());
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	107 }
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	108
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	109 DEFMETHODX ("dup2", Fdup2, interp, args, ,
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	110 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	111 @deftypefn {} {[@var{fid}, @var{msg}] =} dup2 (@var{old}, @var{new})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	112 Duplicate a file descriptor.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	113
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	114 If successful, @var{fid} is greater than zero and contains the new file ID@.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	115 Otherwise, @var{fid} is negative and @var{msg} contains a system-dependent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	116 error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	117 @seealso{fopen, fclose, fcntl}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	118 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	119 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20800 diff changeset	120 if (args.length () != 2)
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	121 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	122
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	123 octave::stream_list& streams = interp.get_stream_list ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	124
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	125 octave::stream old_stream = streams.lookup (args(0), "dup2");
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	126
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	127 octave::stream new_stream = streams.lookup (args(1), "dup2");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	128
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	129 int i_old = old_stream.file_number ();
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	130 int i_new = new_stream.file_number ();
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	131
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	132 if (i_old >= 0 && i_new >= 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	133 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	134 std::string msg;
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	135
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	136 int status = octave::sys::dup2 (i_old, i_new, msg);
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	137
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	138 return ovl (status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	139 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	140 else
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	141 return ovl (-1, "");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	142 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	143
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	144 DEFUNX ("exec", Fexec, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	145 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	146 @deftypefn {} {[@var{err}, @var{msg}] =} exec (@var{file}, @var{args})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	147 Replace current process with a new process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	148
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	149 Calling @code{exec} without first calling @code{fork} will terminate your
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	150 current Octave process and replace it with the program named by @var{file}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	151 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	152
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	153 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	154 exec ("ls", "-l")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	155 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	156
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	157 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	158 will run @code{ls} and return you to your shell prompt.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	159
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	160 If successful, @code{exec} does not return. If @code{exec} does return,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	161 @var{err} will be nonzero, and @var{msg} will contain a system-dependent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	162 error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	163 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	164 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	165 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	166
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	167 if (nargin < 1 \|\| nargin > 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	168 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	169
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	170 std::string exec_file = args(0).xstring_value ("exec: FILE must be a string");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	171
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	172 string_vector exec_args;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	173
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	174 if (nargin == 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	175 {
20990 fc9cca99b2de Deprecate all_strings, replace with string_vector_value. Rik <rik@octave.org> parents: 20956 diff changeset	176 string_vector tmp = args(1).xstring_vector_value ("exec: all arguments must be strings");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	177
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	178 int len = tmp.numel ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	179
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	180 exec_args.resize (len + 1);
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	181
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	182 exec_args[0] = exec_file;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	183
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	184 for (int i = 0; i < len; i++)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	185 exec_args[i+1] = tmp[i];
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	186 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	187 else
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	188 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	189 exec_args.resize (1);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	190
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	191 exec_args[0] = exec_file;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	192 }
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	193
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	194 octave_history_write_timestamp ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	195
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21737 diff changeset	196 if (! octave::command_history::ignoring_entries ())
176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21737 diff changeset	197 octave::command_history::clean_up_and_save ();
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	198
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	199 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	200
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	201 int status = octave::sys::execvp (exec_file, exec_args, msg);
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	202
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	203 return ovl (status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	204 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	205
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	206 DEFMETHODX ("popen2", Fpopen2, interp, args, ,
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	207 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	208 @deftypefn {} {[@var{in}, @var{out}, @var{pid}] =} popen2 (@var{command}, @var{args})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	209 Start a subprocess with two-way communication.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	210
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	211 The name of the process is given by @var{command}, and @var{args} is an
22713 9e415e57a6a7 doc: Clarify docstring for popen2 (bug #49524). Rik <rik@octave.org> parents: 22407 diff changeset	212 array or cell array of strings containing options for the command.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	213
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	214 The file identifiers for the input and output streams of the subprocess are
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	215 returned in @var{in} and @var{out}. If execution of the command is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	216 successful, @var{pid} contains the process ID of the subprocess. Otherwise,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	217 @var{pid} is @minus{}1.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	218
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	219 For example:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	220
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	221 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	222 [in, out, pid] = popen2 ("sort", "-r");
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	223 fputs (in, "these\nare\nsome\nstrings\n");
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	224 fclose (in);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	225 EAGAIN = errno ("EAGAIN");
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	226 done = false;
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	227 do
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	228 s = fgets (out);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	229 if (ischar (s))
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	230 fputs (stdout, s);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	231 elseif (errno () == EAGAIN)
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	232 pause (0.1);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	233 fclear (out);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	234 else
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	235 done = true;
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	236 endif
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	237 until (done)
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	238 fclose (out);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	239 waitpid (pid);
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	240
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	241 @print{} these
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	242 @print{} strings
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	243 @print{} some
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	244 @print{} are
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	245 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	246
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	247 Note that @code{popen2}, unlike @code{popen}, will not @nospell{"reap"}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	248 the child process. If you don't use @code{waitpid} to check the child's
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	249 exit status, it will linger until Octave exits.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	250 @seealso{popen, waitpid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	251 @end deftypefn */)
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	252 {
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	253 int nargin = args.length ();
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	254
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	255 if (nargin < 1 \|\| nargin > 3)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	256 print_usage ();
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	257
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	258 std::string exec_file = args(0).xstring_value ("popen2: COMMAND argument must be a string");
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	259
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	260 string_vector arg_list;
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	261
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	262 if (nargin >= 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	263 {
20990 fc9cca99b2de Deprecate all_strings, replace with string_vector_value. Rik <rik@octave.org> parents: 20956 diff changeset	264 string_vector tmp = args(1).xstring_vector_value ("popen2: all arguments must be strings");
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	265
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	266 int len = tmp.numel ();
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	267
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	268 arg_list.resize (len + 1);
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	269
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	270 arg_list[0] = exec_file;
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	271
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	272 for (int i = 0; i < len; i++)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	273 arg_list[i+1] = tmp[i];
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	274 }
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	275 else
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	276 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	277 arg_list.resize (1);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	278
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	279 arg_list[0] = exec_file;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	280 }
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	281
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	282 bool sync_mode = (nargin == 3 ? args(2).bool_value () : false);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	283
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	284 int filedesc[2];
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	285 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	286 pid_t pid;
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	287
22087 7f79c716876c eliminate unused parameter from octave::sys::popen2 John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	288 pid = octave::sys::popen2 (exec_file, arg_list, sync_mode, filedesc, msg);
7f79c716876c eliminate unused parameter from octave::sys::popen2 John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	289
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	290 if (pid < 0)
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	291 error (msg.c_str ());
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	292
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	293 FILE *ifile = fdopen (filedesc[1], "r");
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	294 FILE *ofile = fdopen (filedesc[0], "w");
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	295
23059 b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	296 octave::stream is
b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	297 = octave_stdiostream::create (exec_file + "-in", ifile, std::ios::in);
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	298
23059 b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	299 octave::stream os
b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	300 = octave_stdiostream::create (exec_file + "-out", ofile, std::ios::out);
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	301
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	302 octave::stream_list& streams = interp.get_stream_list ();
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	303
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	304 return ovl (streams.insert (os), streams.insert (is), pid);
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	305 }
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	306
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	307 /*
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	308
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	309 %!test # UNIX-style test
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	310 %! if (isunix () \|\| ismac ())
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	311 %! [in, out, pid] = popen2 ("sort", "-r");
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	312 %! EAGAIN = errno ("EAGAIN");
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	313 %! fputs (in, "these\nare\nsome\nstrings\n");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	314 %! fclose (in);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	315 %! done = false;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	316 %! str = {};
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	317 %! idx = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	318 %! errs = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	319 %! do
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	320 %! if (ismac ()) # FIXME: Is this necessary?
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	321 %! errno (0);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	322 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	323 %! s = fgets (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	324 %! if (ischar (s))
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	325 %! idx++;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	326 %! str{idx} = s;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	327 %! elseif (errno () == EAGAIN)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	328 %! fclear (out);
20923 58263bea2fdf Unified "sleep" functions to "octave_sleep" in C++ and "pause" in Octave. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 20898 diff changeset	329 %! pause (0.1);
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	330 %! if (++errs == 100)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	331 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	332 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	333 %! else
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	334 %! done = true;
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	335 %! endif
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	336 %! until (done)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	337 %! fclose (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	338 %! waitpid (pid);
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	339 %! assert (str, {"these\n","strings\n","some\n","are\n"});
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	340 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	341
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	342 %!test # Windows-style test
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	343 %! if (ispc () && ! isunix ())
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	344 %! [in, out, pid] = popen2 ('C:\Windows\system32\sort.exe', "/R");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	345 %! EAGAIN = errno ("EINVAL");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	346 %! fputs (in, "these\r\nare\r\nsome\r\nstrings\r\n");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	347 %! fclose (in);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	348 %! done = false;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	349 %! str = {};
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	350 %! idx = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	351 %! errs = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	352 %! do
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	353 %! errno (0);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	354 %! s = fgets (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	355 %! if (ischar (s))
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	356 %! idx++;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	357 %! str{idx} = s;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	358 %! elseif (errno () == EAGAIN)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	359 %! fclear (out);
20923 58263bea2fdf Unified "sleep" functions to "octave_sleep" in C++ and "pause" in Octave. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 20898 diff changeset	360 %! pause (0.1);
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	361 %! if (++errs == 100)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	362 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	363 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	364 %! else
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	365 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	366 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	367 %! until (done)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	368 %! fclose (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	369 %! waitpid (pid);
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	370 %! assert (str, {"these\r\n","strings\r\n","some\r\n","are\r\n"});
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	371 %! endif
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	372
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	373 */
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	374
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	375 DEFMETHODX ("fcntl", Ffcntl, interp, args, ,
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	376 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	377 @deftypefn {} {[@var{err}, @var{msg}] =} fcntl (@var{fid}, @var{request}, @var{arg})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	378 Change the properties of the open file @var{fid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	379
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	380 The following values may be passed as @var{request}:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	381
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	382 @vtable @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	383 @item F_DUPFD
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	384 Return a duplicate file descriptor.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	385
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	386 @item F_GETFD
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	387 Return the file descriptor flags for @var{fid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	388
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	389 @item F_SETFD
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	390 Set the file descriptor flags for @var{fid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	391
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	392 @item F_GETFL
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	393 Return the file status flags for @var{fid}. The following codes may be
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	394 returned (some of the flags may be undefined on some systems).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	395
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	396 @vtable @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	397 @item O_RDONLY
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	398 Open for reading only.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	399
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	400 @item O_WRONLY
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	401 Open for writing only.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	402
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	403 @item O_RDWR
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	404 Open for reading and writing.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	405
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	406 @item O_APPEND
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	407 Append on each write.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	408
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	409 @item O_CREAT
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	410 Create the file if it does not exist.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	411
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	412 @item O_NONBLOCK
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	413 Non-blocking mode.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	414
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	415 @item O_SYNC
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	416 Wait for writes to complete.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	417
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	418 @item O_ASYNC
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	419 Asynchronous I/O.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	420 @end vtable
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	421
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	422 @item F_SETFL
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	423 Set the file status flags for @var{fid} to the value specified by @var{arg}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	424 The only flags that can be changed are @w{@code{O_APPEND}} and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	425 @w{@code{O_NONBLOCK}}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	426 @end vtable
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	427
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	428 If successful, @var{err} is 0 and @var{msg} is an empty string. Otherwise,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	429 @var{err} is nonzero and @var{msg} contains a system-dependent error
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	430 message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	431 @seealso{fopen, dup2}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	432 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	433 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	434 if (args.length () != 3)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	435 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	436
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	437 octave::stream_list& streams = interp.get_stream_list ();
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	438
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	439 octave::stream strm = streams.lookup (args(0), "fcntl");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	440
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	441 int fid = strm.file_number ();
3715 e5ff21d2bac6 [project @ 2000-09-01 05:52:56 by jwe] jwe parents: 3531 diff changeset	442
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	443 // FIXME: Do we want to use xint_value and throw a warning message
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	444 // if input validation fails?
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	445 int req = args(1).int_value (true);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	446 int arg = args(2).int_value (true);
3715 e5ff21d2bac6 [project @ 2000-09-01 05:52:56 by jwe] jwe parents: 3531 diff changeset	447
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	448 // FIXME: Need better checking here?
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	449 if (fid < 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	450 error ("fcntl: invalid file id");
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	451
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	452 std::string msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	453
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	454 int status = octave::sys::fcntl (fid, req, arg, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	455
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	456 return ovl (status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	457 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	458
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	459 DEFMETHODX ("fork", Ffork, interp, args, ,
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	460 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	461 @deftypefn {} {[@var{pid}, @var{msg}] =} fork ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	462 Create a copy of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	463
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	464 Fork can return one of the following values:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	465
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	466 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	467 @item > 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	468 You are in the parent process. The value returned from @code{fork} is the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	469 process id of the child process. You should probably arrange to wait for
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	470 any child processes to exit.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	471
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	472 @item 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	473 You are in the child process. You can call @code{exec} to start another
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	474 process. If that fails, you should probably call @code{exit}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	475
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	476 @item < 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	477 The call to @code{fork} failed for some reason. You must take evasive
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	478 action. A system dependent error message will be waiting in @var{msg}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	479 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	480 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	481 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	482 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	483 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	484
23693 b9378eff6d13 move symbol_table class inside octave namespace John W. Eaton <jwe@octave.org> parents: 23599 diff changeset	485 octave::symbol_table& symtab = interp.get_symbol_table ();
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	486
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	487 if (symtab.at_top_level ())
21604 d7a268e68e69 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 21547 diff changeset	488 error ("fork: cannot be called from command line");
21343 980abb267014 Emit error if fork called directly from command line. Rik <rik@octave.org> parents: 21301 diff changeset	489
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	490 std::string msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	491
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	492 pid_t pid = octave::sys::fork (msg);
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	493
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	494 return ovl (pid, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	495 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	496
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	497 DEFUNX ("getpgrp", Fgetpgrp, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	498 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	499 @deftypefn {} {pgid =} getpgrp ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	500 Return the process group id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	501 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	502 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	503 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	504 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	505
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	506 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	507
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	508 pid_t pid = octave::sys::getpgrp (msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	509
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	510 return ovl (pid, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	511 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	512
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	513 DEFUNX ("getpid", Fgetpid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	514 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	515 @deftypefn {} {pid =} getpid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	516 Return the process id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	517 @seealso{getppid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	518 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	519 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	520 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	521 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	522
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	523 return ovl (octave::sys::getpid ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	524 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	525
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	526 DEFUNX ("getppid", Fgetppid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	527 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	528 @deftypefn {} {pid =} getppid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	529 Return the process id of the parent process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	530 @seealso{getpid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	531 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	532 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	533 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	534 print_usage ();
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	535
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	536 return ovl (octave::sys::getppid ());
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	537 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	538
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	539 DEFUNX ("getegid", Fgetegid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	540 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	541 @deftypefn {} {egid =} getegid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	542 Return the effective group id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	543 @seealso{getgid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	544 @end deftypefn */)
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	545 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	546 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	547 print_usage ();
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	548
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	549 return ovl (octave::sys::getegid ());
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	550 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	551
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	552 DEFUNX ("getgid", Fgetgid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	553 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	554 @deftypefn {} {gid =} getgid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	555 Return the real group id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	556 @seealso{getegid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	557 @end deftypefn */)
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	558 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	559 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	560 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	561
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	562 return ovl (octave::sys::getgid ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	563 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	564
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	565 DEFUNX ("geteuid", Fgeteuid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	566 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	567 @deftypefn {} {euid =} geteuid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	568 Return the effective user id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	569 @seealso{getuid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	570 @end deftypefn */)
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	571 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	572 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	573 print_usage ();
2473 bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	574
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	575 return ovl (octave::sys::geteuid ());
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	576 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	577
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	578 DEFUNX ("getuid", Fgetuid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	579 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	580 @deftypefn {} {uid =} getuid ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	581 Return the real user id of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	582 @seealso{geteuid}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	583 @end deftypefn */)
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	584 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	585 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	586 print_usage ();
2473 bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	587
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	588 return ovl (octave::sys::getuid ());
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	589 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	590
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	591 DEFUNX ("kill", Fkill, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	592 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	593 @deftypefn {} {[@var{err}, @var{msg}] =} kill (@var{pid}, @var{sig})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	594 Send signal @var{sig} to process @var{pid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	595
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	596 If @var{pid} is positive, then signal @var{sig} is sent to @var{pid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	597
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	598 If @var{pid} is 0, then signal @var{sig} is sent to every process
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	599 in the process group of the current process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	600
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	601 If @var{pid} is -1, then signal @var{sig} is sent to every process
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	602 except process 1.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	603
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	604 If @var{pid} is less than -1, then signal @var{sig} is sent to every
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	605 process in the process group @var{-pid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	606
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	607 If @var{sig} is 0, then no signal is sent, but error checking is still
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	608 performed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	609
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	610 Return 0 if successful, otherwise return -1.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	611 @end deftypefn */)
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	612 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	613 if (args.length () != 2)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	614 print_usage ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	615
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	616 pid_t pid = args(0).int_value (true);
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	617
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	618 int sig = args(1).int_value (true);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	619
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	620 std::string msg;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	621
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	622 int status = octave::sys::kill (pid, sig, msg);
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	623
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	624 return ovl (status, msg);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	625 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	626
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	627 DEFUNX ("lstat", Flstat, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	628 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	629 @deftypefn {} {@var{info} =} lstat (@var{symlink})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	630 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{symlink})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	631 Return a structure @var{info} containing information about the symbolic link
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	632 @var{symlink}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	633
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	634 The function outputs are described in the documentation for @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	635 @seealso{stat, symlink}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	636 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	637 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	638 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	639 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	640
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	641 std::string fname = args(0).xstring_value ("lstat: NAME must be a string");
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	642
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	643 octave::sys::file_stat fs (fname, false);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	644
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	645 return mk_stat_result (fs);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	646 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	647
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	648 // FIXME: This routine also exists verbatim in file-io.cc.
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	649 // Maybe change to be a general utility routine.
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	650 static int
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	651 convert (int x, int ibase, int obase)
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	652 {
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	653 int retval = 0;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	654
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	655 int tmp = x % obase;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	656
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	657 if (tmp > ibase - 1)
20428 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20232 diff changeset	658 error ("mkfifo: invalid digit");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	659
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	660 retval = tmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	661 int mult = ibase;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	662 while ((x = (x - tmp) / obase))
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	663 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	664 tmp = x % obase;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	665
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	666 if (tmp > ibase - 1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	667 error ("mkfifo: invalid digit");
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	668
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	669 retval += mult * tmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 20990 diff changeset	670 mult *= ibase;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	671 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	672
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	673 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	674 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	675
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	676 DEFUNX ("mkfifo", Fmkfifo, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	677 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	678 @deftypefn {} {@var{err} =} mkfifo (@var{name}, @var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	679 @deftypefnx {} {[@var{err}, @var{msg}] =} mkfifo (@var{name}, @var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	680 Create a FIFO special file named @var{name} with file mode @var{mode}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	681
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	682 @var{mode} is interpreted as an octal number and is subject to umask
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	683 processing. The final calculated mode is @code{@var{mode} - @var{umask}}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	684
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	685 If successful, @var{err} is 0 and @var{msg} is an empty string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	686 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	687 error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	688 @seealso{pipe, umask}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	689 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	690 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	691 if (args.length () != 2)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	692 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	693
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	694 std::string name = args(0).xstring_value ("mkfifo: FILE must be a string");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	695
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	696 int octal_mode = args(1).xint_value ("mkfifo: MODE must be an integer");
4254 df5f2e433a11 [project @ 2002-12-31 19:43:07 by jwe] jwe parents: 4233 diff changeset	697
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	698 if (octal_mode < 0)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	699 error ("mkfifo: MODE must be a positive integer value");
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	700
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	701 int mode = convert (octal_mode, 8, 10);
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	702
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	703 std::string msg;
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	704
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	705 int status = octave::sys::mkfifo (name, mode, msg);
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	706
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	707 return ovl (status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	708 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	709
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	710 /*
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	711
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	712 ## Test input validation
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	713 %!error mkfifo ()
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	714 %!error mkfifo ("abc")
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	715 %!error mkfifo ("abc", 777, 123)
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	716 %!error <FILE must be a string> mkfifo (123, 456)
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	717 ## FIXME: These tests should work, but lasterr is not being set correctly.
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	718 #%!error <MODE must be an integer> mkfifo ("abc", {456})
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	719 #%!error <MODE must be a positive integer value> mkfifo ("abc", -1)
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	720
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	721 */
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	722
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	723 DEFMETHODX ("pipe", Fpipe, interp, args, ,
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	724 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	725 @deftypefn {} {[@var{read_fd}, @var{write_fd}, @var{err}, @var{msg}] =} pipe ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	726 Create a pipe and return the reading and writing ends of the pipe into
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	727 @var{read_fd} and @var{write_fd} respectively.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	728
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	729 If successful, @var{err} is 0 and @var{msg} is an empty string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	730 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	731 error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	732 @seealso{mkfifo}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	733 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	734 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	735 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	736 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	737
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	738 int fid[2];
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	739 std::string msg;
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	740
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	741 int status = octave::sys::pipe (fid, msg);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	742
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	743 if (status < 0)
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	744 return ovl (-1, -1, -1, msg);
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	745 else
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	746 {
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	747 FILE *ifile = fdopen (fid[0], "r");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	748 FILE *ofile = fdopen (fid[1], "w");
4327 c29c382a5b4b [project @ 2003-02-16 03:24:26 by jwe] jwe parents: 4294 diff changeset	749
23059 b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	750 octave::stream is
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	751 = octave_stdiostream::create ("pipe-in", ifile, std::ios::in);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	752
23059 b98ebcd7f11c move some octave stream classes into octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	753 octave::stream os
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	754 = octave_stdiostream::create ("pipe-out", ofile, std::ios::out);
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	755
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	756 octave::stream_list& streams = interp.get_stream_list ();
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	757
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	758 return ovl (streams.insert (is), streams.insert (os), status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	759 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	760 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	761
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	762 DEFMETHODX ("stat", Fstat, interp, args, ,
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	763 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	764 @deftypefn {} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{file})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	765 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{fid})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	766 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{file})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	767 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{fid})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	768 Return a structure @var{info} containing the following information about
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	769 @var{file} or file identifier @var{fid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	770
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	771 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	772 @item dev
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	773 ID of device containing a directory entry for this file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	774
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	775 @item ino
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	776 File number of the file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	777
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	778 @item mode
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	779 File mode, as an integer. Use the functions @w{@code{S_ISREG}},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	780 @w{@code{S_ISDIR}}, @w{@code{S_ISCHR}}, @w{@code{S_ISBLK}},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	781 @w{@code{S_ISFIFO}}, @w{@code{S_ISLNK}}, or @w{@code{S_ISSOCK}} to extract
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	782 information from this value.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	783
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	784 @item modestr
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	785 File mode, as a string of ten letters or dashes as would be returned by
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	786 @kbd{ls -l}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	787
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	788 @item nlink
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	789 Number of links.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	790
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	791 @item uid
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	792 User ID of file's owner.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	793
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	794 @item gid
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	795 Group ID of file's group.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	796
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	797 @item rdev
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	798 ID of device for block or character special files.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	799
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	800 @item size
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	801 Size in bytes.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	802
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	803 @item atime
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	804 Time of last access in the same form as time values returned from
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	805 @code{time}. @xref{Timing Utilities}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	806
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	807 @item mtime
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	808 Time of last modification in the same form as time values returned from
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	809 @code{time}. @xref{Timing Utilities}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	810
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	811 @item ctime
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	812 Time of last file status change in the same form as time values
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	813 returned from @code{time}. @xref{Timing Utilities}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	814
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	815 @item blksize
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	816 Size of blocks in the file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	817
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	818 @item blocks
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	819 Number of blocks allocated for file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	820 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	821
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	822 If the call is successful @var{err} is 0 and @var{msg} is an empty string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	823 If the file does not exist, or some other error occurs, @var{info} is an
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	824 empty matrix, @var{err} is @minus{}1, and @var{msg} contains the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	825 corresponding system error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	826
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	827 If @var{file} is a symbolic link, @code{stat} will return information about
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	828 the actual file that is referenced by the link. Use @code{lstat} if you
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	829 want information about the symbolic link itself.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	830
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	831 For example:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	832
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	833 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	834 [info, err, msg] = stat ("/vmlinuz")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	835 @result{} info =
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	836 @{
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	837 atime = 855399756
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	838 rdev = 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	839 ctime = 847219094
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	840 uid = 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	841 size = 389218
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	842 blksize = 4096
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	843 mtime = 847219094
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	844 gid = 6
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	845 nlink = 1
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	846 blocks = 768
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	847 mode = -rw-r--r--
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	848 modestr = -rw-r--r--
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	849 ino = 9316
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	850 dev = 2049
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	851 @}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	852 @result{} err = 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	853 @result{} msg =
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	854 @end example
25782 0862570da0ae isfile.m: New function for Matlab compatibility (bug #54508). Rik <rik@octave.org> parents: 25781 diff changeset	855 @seealso{lstat, ls, dir, isfile, isfolder}
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	856 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	857 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	858 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	859 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	860
2262 1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe] jwe parents: 2086 diff changeset	861 octave_value_list retval;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	862
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	863 if (args(0).is_scalar_type ())
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	864 {
23738 8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	865 octave::stream_list& streams = interp.get_stream_list ();
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	866
8acd390d16c9 don't use singleton for stream_list object John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	867 int fid = streams.get_file_number (args(0));
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	868
21737 ab6c639f0678 finish previous changeset (0504351a45e6). John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	869 octave::sys::file_fstat fs (fid);
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	870
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	871 retval = mk_stat_result (fs);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	872 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	873 else
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	874 {
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	875 std::string fname = args(0).xstring_value ("stat: NAME must be a string");
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	876
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	877 octave::sys::file_stat fs (fname);
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	878
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	879 retval = mk_stat_result (fs);
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	880 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	881
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	882 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	883 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	884
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	885 DEFUNX ("S_ISREG", FS_ISREG, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	886 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	887 @deftypefn {} {} S_ISREG (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	888 Return true if @var{mode} corresponds to a regular file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	889
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	890 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	891 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	892 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	893 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	894 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	895 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	896 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	897
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	898 double mode = args(0).xdouble_value ("S_ISREG: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	899
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	900 return ovl (octave::sys::file_stat::is_reg (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	901 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	902
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	903 DEFUNX ("S_ISDIR", FS_ISDIR, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	904 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	905 @deftypefn {} {} S_ISDIR (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	906 Return true if @var{mode} corresponds to a directory.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	907
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	908 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	909 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	910 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	911 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	912 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	913 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	914 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	915
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	916 double mode = args(0).xdouble_value ("S_ISDIR: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	917
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	918 return ovl (octave::sys::file_stat::is_dir (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	919 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	920
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	921 DEFUNX ("S_ISCHR", FS_ISCHR, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	922 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	923 @deftypefn {} {} S_ISCHR (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	924 Return true if @var{mode} corresponds to a character device.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	925
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	926 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	927 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	928 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	929 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	930 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	931 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	932 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	933
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	934 double mode = args(0).xdouble_value ("S_ISCHR: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	935
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	936 return ovl (octave::sys::file_stat::is_chr (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	937 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	938
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	939 DEFUNX ("S_ISBLK", FS_ISBLK, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	940 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	941 @deftypefn {} {} S_ISBLK (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	942 Return true if @var{mode} corresponds to a block device.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	943
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	944 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	945 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	946 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	947 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	948 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	949 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	950 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	951
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	952 double mode = args(0).xdouble_value ("S_ISBLK: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	953
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	954 return ovl (octave::sys::file_stat::is_blk (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	955 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	956
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	957 DEFUNX ("S_ISFIFO", FS_ISFIFO, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	958 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	959 @deftypefn {} {} S_ISFIFO (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	960 Return true if @var{mode} corresponds to a fifo.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	961
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	962 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	963 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	964 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	965 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	966 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	967 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	968 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	969
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	970 double mode = args(0).xdouble_value ("S_ISFIFO: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	971
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	972 return ovl (octave::sys::file_stat::is_fifo (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	973 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	974
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	975 DEFUNX ("S_ISLNK", FS_ISLNK, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	976 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	977 @deftypefn {} {} S_ISLNK (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	978 Return true if @var{mode} corresponds to a symbolic link.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	979
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	980 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	981 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	982 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	983 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	984 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	985 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	986 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	987
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	988 double mode = args(0).xdouble_value ("S_ISLNK: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	989
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	990 return ovl (octave::sys::file_stat::is_lnk (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	991 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	992
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	993 DEFUNX ("S_ISSOCK", FS_ISSOCK, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	994 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	995 @deftypefn {} {} S_ISSOCK (@var{mode})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	996 Return true if @var{mode} corresponds to a socket.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	997
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	998 The value of @var{mode} is assumed to be returned from a call to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	999 @code{stat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1000 @seealso{stat, lstat}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1001 @end deftypefn */)
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1002 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1003 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1004 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1005
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1006 double mode = args(0).xdouble_value ("S_ISSOCK: invalid MODE value");
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1007
21736 0504351a45e6 use namespace for file_stat classes John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	1008 return ovl (octave::sys::file_stat::is_sock (static_cast<mode_t> (mode)));
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1009 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1010
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1011 DEFUN (gethostname, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1012 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1013 @deftypefn {} {} gethostname ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1014 Return the hostname of the system where Octave is running.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1015 @end deftypefn */)
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1016 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1017 if (args.length () != 0)
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1018 print_usage ();
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1019
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21731 diff changeset	1020 return ovl (octave::sys::env::get_host_name ());
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1021 }
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1022
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1023 DEFUN (uname, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1024 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1025 @deftypefn {} {[@var{uts}, @var{err}, @var{msg}] =} uname ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1026 Return system information in the structure.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1027
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1028 For example:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1029
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1030 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1031 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1032 uname ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1033 @result{} @{
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1034 sysname = x86_64
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1035 nodename = segfault
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1036 release = 2.6.15-1-amd64-k8-smp
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1037 version = Linux
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1038 machine = #2 SMP Thu Feb 23 04:57:49 UTC 2006
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1039 @}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1040 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1041 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1042
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1043 If successful, @var{err} is 0 and @var{msg} is an empty string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1044 Otherwise, @var{err} is nonzero and @var{msg} contains a
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1045 system-dependent error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1046 @end deftypefn */)
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1047 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1048 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1049 print_usage ();
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1050
21731 3dfec4c1eb8b use namespace for system uname class John W. Eaton <jwe@octave.org> parents: 21727 diff changeset	1051 octave::sys::uname sysinfo;
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1052
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1053 octave_scalar_map m;
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1054
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1055 m.assign ("sysname", sysinfo.sysname ());
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1056 m.assign ("nodename", sysinfo.nodename ());
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1057 m.assign ("release", sysinfo.release ());
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1058 m.assign ("version", sysinfo.version ());
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1059 m.assign ("machine", sysinfo.machine ());
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1060
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1061 return ovl (m, sysinfo.error (), sysinfo.message ());
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1062 }
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1063
23957 382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1064 /*
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1065 %!test <51869>
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1066 %! [info, status, msg] = uname ();
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1067 %! if (status == 0)
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1068 %! assert (isstruct (info))
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1069 %! assert (ischar (msg) && isempty (msg))
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1070 %! endif
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1071 */
382cc01a60e1 uname: Return empty message on success (bug #51869) Markus Mützel <markus.muetzel@gmx.de> parents: 23738 diff changeset	1072
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1073 DEFUNX ("unlink", Funlink, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1074 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1075 @deftypefn {} {[@var{err}, @var{msg}] =} unlink (@var{file})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1076 Delete the file named @var{file}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1077
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1078 If successful, @var{err} is 0 and @var{msg} is an empty string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1079 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1080 error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1081 @seealso{delete, rmdir}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1082 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1083 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1084 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1085 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1086
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1087 std::string name = args(0).xstring_value ("unlink: FILE must be a string");
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1088
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1089 std::string msg;
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1090
25742 d3c6de326bae close/reload editor tab when file is (re)moved in gui terminal (bug #43922) Torsten <mttl@mailbox.org> parents: 25113 diff changeset	1091 octave_link::file_remove (name, "");
d3c6de326bae close/reload editor tab when file is (re)moved in gui terminal (bug #43922) Torsten <mttl@mailbox.org> parents: 25113 diff changeset	1092
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	1093 int status = octave::sys::unlink (name, msg);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1094
25742 d3c6de326bae close/reload editor tab when file is (re)moved in gui terminal (bug #43922) Torsten <mttl@mailbox.org> parents: 25113 diff changeset	1095 octave_link::file_renamed (status == 0);
d3c6de326bae close/reload editor tab when file is (re)moved in gui terminal (bug #43922) Torsten <mttl@mailbox.org> parents: 25113 diff changeset	1096
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1097 return ovl (status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1098 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1099
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1100 DEFUNX ("waitpid", Fwaitpid, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1101 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1102 @deftypefn {} {[@var{pid}, @var{status}, @var{msg}] =} waitpid (@var{pid}, @var{options})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1103 Wait for process @var{pid} to terminate.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1104
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1105 The @var{pid} argument can be:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1106
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1107 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1108 @item @minus{}1
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1109 Wait for any child process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1110
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1111 @item 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1112 Wait for any child process whose process group ID is equal to that of the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1113 Octave interpreter process.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1114
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1115 @item > 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1116 Wait for termination of the child process with ID @var{pid}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1117 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1118
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1119 The @var{options} argument can be a bitwise OR of zero or more of the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1120 following constants:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1121
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1122 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1123 @item 0
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1124 Wait until signal is received or a child process exits (this is the default
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1125 if the @var{options} argument is missing).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1126
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1127 @item WNOHANG
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1128 Do not hang if status is not immediately available.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1129
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1130 @item WUNTRACED
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1131 Report the status of any child processes that are stopped, and whose status
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1132 has not yet been reported since they stopped.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1133
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1134 @item WCONTINUE
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1135 Return if a stopped child has been resumed by delivery of @code{SIGCONT}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1136 This value may not be meaningful on all systems.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1137 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1138
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1139 If the returned value of @var{pid} is greater than 0, it is the process ID
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1140 of the child process that exited. If an error occurs, @var{pid} will be
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1141 less than zero and @var{msg} will contain a system-dependent error message.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1142 The value of @var{status} contains additional system-dependent information
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1143 about the subprocess that exited.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1144 @seealso{WCONTINUE, WCOREDUMP, WEXITSTATUS, WIFCONTINUED, WIFSIGNALED, WIFSTOPPED, WNOHANG, WSTOPSIG, WTERMSIG, WUNTRACED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1145 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1146 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1147 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1148
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1149 if (nargin != 1 && nargin != 2)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1150 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1151
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1152 pid_t pid = args(0).xint_value ("waitpid: OPTIONS must be an integer");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1153
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1154 int options = 0;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1155
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1156 if (nargin == 2)
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1157 options = args(1).xint_value ("waitpid: PID must be an integer value");
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1158
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1159 std::string msg;
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1160 int status;
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1161
21727 e0da98857c19 rename octave::syscalls namespace to octave::sys John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	1162 pid_t result = octave::sys::waitpid (pid, &status, options, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1163
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1164 return ovl (result, status, msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1165 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1166
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1167 DEFUNX ("WIFEXITED", FWIFEXITED, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1168 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1169 @deftypefn {} {} WIFEXITED (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1170 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1171 true if the child terminated normally.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1172 @seealso{waitpid, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1173 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1174 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1175 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1176 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1177
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1178 int status = args(0).xint_value ("WIFEXITED: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1179
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1180 return ovl (octave::sys::wifexited (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1181 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1182
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1183 DEFUNX ("WEXITSTATUS", FWEXITSTATUS, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1184 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1185 @deftypefn {} {} WEXITSTATUS (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1186 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1187 the exit status of the child.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1188
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1189 This function should only be employed if @code{WIFEXITED} returned true.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1190 @seealso{waitpid, WIFEXITED, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1191 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1192 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1193 if (args.length () != 1)
05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1194 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1195
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1196 int status = args(0).xint_value ("WEXITSTATUS: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1197
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1198 return ovl (octave::sys::wexitstatus (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1199 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1200
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1201 DEFUNX ("WIFSIGNALED", FWIFSIGNALED, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1202 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1203 @deftypefn {} {} WIFSIGNALED (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1204 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1205 true if the child process was terminated by a signal.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1206 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1207 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1208 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1209 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1210 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1211
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1212 int status = args(0).xint_value ("WIFSIGNALED: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1213
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1214 return ovl (octave::sys::wifsignaled (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1215 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1216
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1217 DEFUNX ("WTERMSIG", FWTERMSIG, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1218 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1219 @deftypefn {} {} WTERMSIG (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1220 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1221 the number of the signal that caused the child process to terminate.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1222
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1223 This function should only be employed if @code{WIFSIGNALED} returned true.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1224 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1225 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1226 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1227 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1228 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1229
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1230 int status = args(0).xint_value ("WTERMSIG: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1231
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1232 return ovl (octave::sys::wtermsig (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1233 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1234
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1235 DEFUNX ("WCOREDUMP", FWCOREDUMP, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1236 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1237 @deftypefn {} {} WCOREDUMP (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1238 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1239 true if the child produced a core dump.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1240
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1241 This function should only be employed if @code{WIFSIGNALED} returned true.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1242 The macro used to implement this function is not specified in POSIX.1-2001
25003 2365c2661b3c doc: Spellcheck documentation ahead of 4.4 release. Rik <rik@octave.org> parents: 24534 diff changeset	1243 and is not available on some Unix implementations (e.g., @nospell{AIX, SunOS}).
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1244 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1245 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1246 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1247 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1248 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1249
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1250 int status = args(0).xint_value ("WCOREDUMP: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1251
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1252 return ovl (octave::sys::wcoredump (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1253 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1254
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1255 DEFUNX ("WIFSTOPPED", FWIFSTOPPED, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1256 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1257 @deftypefn {} {} WIFSTOPPED (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1258 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1259 true if the child process was stopped by delivery of a signal.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1260
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1261 This is only possible if the call was done using @code{WUNTRACED} or when
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1262 the child is being traced (see ptrace(2)).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1263 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WSTOPSIG, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1264 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1265 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1266 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1267 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1268
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1269 int status = args(0).xint_value ("WIFSTOPPED: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1270
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1271 return ovl (octave::sys::wifstopped (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1272 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1273
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1274 DEFUNX ("WSTOPSIG", FWSTOPSIG, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1275 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1276 @deftypefn {} {} WSTOPSIG (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1277 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1278 the number of the signal which caused the child to stop.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1279
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1280 This function should only be employed if @code{WIFSTOPPED} returned true.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1281 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WIFCONTINUED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1282 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1283 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1284 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1285 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1286
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1287 int status = args(0).xint_value ("WSTOPSIG: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1288
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1289 return ovl (octave::sys::wstopsig (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1290 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1291
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1292 DEFUNX ("WIFCONTINUED", FWIFCONTINUED, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1293 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1294 @deftypefn {} {} WIFCONTINUED (@var{status})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1295 Given @var{status} from a call to @code{waitpid}, return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1296 true if the child process was resumed by delivery of @code{SIGCONT}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1297 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1298 @end deftypefn */)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1299 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1300 if (args.length () != 1)
b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1301 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1302
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1303 int status = args(0).xint_value ("WIFCONTINUED: STATUS must be an integer");
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1304
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1305 return ovl (octave::sys::wifcontinued (status));
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1306 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1307
10249 14eba566f9f0 use DEFUNX instead of DEFUN for canonicalize_file_name John W. Eaton <jwe@octave.org> parents: 10197 diff changeset	1308 DEFUNX ("canonicalize_file_name", Fcanonicalize_file_name, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1309 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1310 @deftypefn {} {[@var{cname}, @var{status}, @var{msg}] =} canonicalize_file_name (@var{fname})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1311 Return the canonical name of file @var{fname}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1312
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1313 If the file does not exist the empty string ("") is returned.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1314 @seealso{make_absolute_filename, is_absolute_filename, is_rooted_relative_filename}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1315 @end deftypefn */)
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1316 {
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1317 if (args.length () != 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1318 print_usage ();
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1319
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1320 std::string name = args(0).xstring_value ("canonicalize_file_name: NAME must be a string");
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1321
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1322 std::string msg;
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1323
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	1324 std::string result = octave::sys::canonicalize_file_name (name, msg);
20856 b3a18c764161 Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files Yu Liu <yul.liuiyu@gmail.com> parents: 20853 diff changeset	1325
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1326 return ovl (result, msg.empty () ? 0 : -1, msg);
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1327 }
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1328
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1329 static inline octave_value
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1330 const_value (const octave_value_list& args, int val)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1331 {
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1332 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1333 print_usage ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1334
20887 05125a9eb9c6 2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn. Rik <rik@octave.org> parents: 20856 diff changeset	1335 return octave_value (val);
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1336 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1337
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1338 DEFUNX ("F_DUPFD", FF_DUPFD, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1339 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1340 @deftypefn {} {} F_DUPFD ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1341 Return the numerical value to pass to @code{fcntl} to return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1342 a duplicate file descriptor.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1343 @seealso{fcntl, F_GETFD, F_GETFL, F_SETFD, F_SETFL}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1344 @end deftypefn */)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1345 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1346 static int val = octave_f_dupfd_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1347
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1348 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1349 err_disabled_feature ("F_DUPFD", "F_DUPFD");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1350
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1351 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1352 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1353
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1354 DEFUNX ("F_GETFD", FF_GETFD, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1355 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1356 @deftypefn {} {} F_GETFD ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1357 Return the numerical value to pass to @code{fcntl} to return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1358 the file descriptor flags.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1359 @seealso{fcntl, F_DUPFD, F_GETFL, F_SETFD, F_SETFL}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1360 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1361 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1362 static int val = octave_f_getfd_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1363
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1364 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1365 err_disabled_feature ("F_GETFD", "F_GETFD");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1366
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1367 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1368 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1369
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1370 DEFUNX ("F_GETFL", FF_GETFL, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1371 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1372 @deftypefn {} {} F_GETFL ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1373 Return the numerical value to pass to @code{fcntl} to return
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1374 the file status flags.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1375 @seealso{fcntl, F_DUPFD, F_GETFD, F_SETFD, F_SETFL}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1376 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1377 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1378 static int val = octave_f_getfl_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1379
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1380 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1381 err_disabled_feature ("F_GETFL", "F_GETFL");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1382
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1383 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1384 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1385
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1386 DEFUNX ("F_SETFD", FF_SETFD, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1387 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1388 @deftypefn {} {} F_SETFD ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1389 Return the numerical value to pass to @code{fcntl} to set the file
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1390 descriptor flags.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1391 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFL}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1392 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1393 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1394 static int val = octave_f_setfd_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1395
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1396 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1397 err_disabled_feature ("F_SETFD", "F_SETFD");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1398
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1399 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1400 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1401
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1402 DEFUNX ("F_SETFL", FF_SETFL, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1403 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1404 @deftypefn {} {} F_SETFL ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1405 Return the numerical value to pass to @code{fcntl} to set the file
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1406 status flags.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1407 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFD}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1408 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1409 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1410 static int val = octave_f_setfl_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1411
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1412 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1413 err_disabled_feature ("F_SETFL", "F_SETFL");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1414
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1415 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1416 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1417
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1418 DEFUNX ("O_APPEND", FO_APPEND, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1419 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1420 @deftypefn {} {} O_APPEND ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1421 Return the numerical value of the @code{O_APPEND} macro.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1422
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1423 @code{O_APPEND} is file status flag that may be returned by @code{fcntl}
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1424 to indicate each write operation appends, or that may be passed to
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1425 @code{fcntl} to set the write mode to append.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1426 @seealso{fcntl, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1427 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1428 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1429 static int val = octave_o_append_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1430
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1431 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1432 err_disabled_feature ("O_APPEND", "O_APPEND");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1433
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1434 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1435 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1436
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1437 DEFUNX ("O_ASYNC", FO_ASYNC, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1438 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1439 @deftypefn {} {} O_ASYNC ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1440 Return the numerical value of the @code{O_ASYNC} macro.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1441
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1442 @code{O_ASYNC} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1443 @code{fcntl} to indicate asynchronous I/O.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1444 @seealso{fcntl, O_APPEND, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1445 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1446 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1447 static int val = octave_o_async_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1448
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1449 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1450 err_disabled_feature ("O_ASYNC", "O_ASYNC");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1451
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1452 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1453 }
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1454
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1455 DEFUNX ("O_CREAT", FO_CREAT, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1456 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1457 @deftypefn {} {} O_CREAT ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1458 Return the numerical value of the @code{O_CREAT}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1459
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1460 @code{O_CREAT} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1461 @code{fcntl} to indicate that a file should be created if it does not
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1462 exist.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1463 @seealso{fcntl, O_APPEND, O_ASYNC, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1464 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1465 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1466 static int val = octave_o_creat_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1467
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1468 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1469 err_disabled_feature ("O_CREAT", "O_CREAT");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1470
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1471 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1472 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1473
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1474 DEFUNX ("O_EXCL", FO_EXCL, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1475 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1476 @deftypefn {} {} O_EXCL ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1477 Return the numerical value of the @code{O_EXCL}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1478
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1479 @code{O_EXCL} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1480 @code{fcntl} to indicate that file locking is used.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1481 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1482 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1483 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1484 static int val = octave_o_excl_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1485
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1486 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1487 err_disabled_feature ("O_EXCL", "O_EXCL");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1488
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1489 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1490 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1491
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1492 DEFUNX ("O_NONBLOCK", FO_NONBLOCK, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1493 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1494 @deftypefn {} {} O_NONBLOCK ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1495 Return the numerical value of the @code{O_NONBLOCK}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1496
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1497 @code{O_NONBLOCK} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1498 @code{fcntl} to indicate that non-blocking I/O is in use, or that may be
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1499 passsed to @code{fcntl} to set non-blocking I/O.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1500 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1501 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1502 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1503 static int val = octave_o_nonblock_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1504
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1505 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1506 err_disabled_feature ("O_NONBLOCK", "O_NONBLOCK");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1507
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1508 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1509 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1510
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1511 DEFUNX ("O_RDONLY", FO_RDONLY, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1512 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1513 @deftypefn {} {} O_RDONLY ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1514 Return the numerical value of the @code{O_RDONLY}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1515
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1516 @code{O_RDONLY} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1517 @code{fcntl} to indicate that a file is open for reading only.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1518 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1519 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1520 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1521 static int val = octave_o_rdonly_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1522
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1523 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1524 err_disabled_feature ("O_RDONLY", "O_RDONLY");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1525
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1526 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1527 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1528
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1529 DEFUNX ("O_RDWR", FO_RDWR, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1530 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1531 @deftypefn {} {} O_RDWR ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1532 Return the numerical value of the @code{O_RDWR}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1533
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1534 @code{O_RDWR} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1535 @code{fcntl} to indicate that a file is open for both reading and
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1536 writing.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1537 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_SYNC, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1538 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1539 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1540 static int val = octave_o_rdwr_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1541
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1542 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1543 err_disabled_feature ("O_RDWR", "O_RDWR");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1544
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1545 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1546 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1547
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1548 DEFUNX ("O_SYNC", FO_SYNC, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1549 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1550 @deftypefn {} {} O_SYNC ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1551 Return the numerical value of the @code{O_SYNC}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1552
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1553 @code{O_SYNC} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1554 @code{fcntl} to indicate that a file is open for synchronous I/O
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1555 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1556 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1557 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1558 static int val = octave_o_sync_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1559
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1560 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1561 err_disabled_feature ("O_SYNC", "O_SYNC");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1562
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1563 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1564 }
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1565
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1566 DEFUNX ("O_TRUNC", FO_TRUNC, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1567 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1568 @deftypefn {} {} O_TRUNC ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1569 Return the numerical value of the @code{O_TRUNC}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1570
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1571 @code{O_TRUNC} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1572 @code{fcntl} to indicate that if file exists, it should be truncated
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1573 when writing.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1574 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_WRONLY}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1575 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1576 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1577 static int val = octave_o_trunc_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1578
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1579 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1580 err_disabled_feature ("O_TRUNC", "O_TRUNC");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1581
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1582 return const_value (args, val);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1583 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1584
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1585 DEFUNX ("O_WRONLY", FO_WRONLY, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1586 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1587 @deftypefn {} {} O_WRONLY ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1588 Return the numerical value of the @code{O_WRONLY}.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1589
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1590 @code{O_WRONLY} is the file status flag that may be returned by
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1591 @code{fcntl} to indicate that a file is open for writing only
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1592 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1593 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1594 {
21911 c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1595 static int val = octave_o_wronly_wrapper ();
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1596
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1597 if (val < 0)
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1598 err_disabled_feature ("O_WRONLY", "O_WRONLY");
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1599
c66c156e1d1d hide fcntl.h header John W. Eaton <jwe@octave.org> parents: 21852 diff changeset	1600 return const_value (args, val);
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1601 }
3446 5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe] jwe parents: 3360 diff changeset	1602
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1603 DEFUNX ("WNOHANG", FWNOHANG, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1604 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1605 @deftypefn {} {} WNOHANG ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1606 Return the numerical value of the @code{WNOHANG} macro.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1607
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1608 @code{WNOHANG} is the option argument that may be passed to
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1609 @code{waitpid} to indicate that it should return its status immediately
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1610 instead of waiting for a process to exit.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1611 @seealso{waitpid, WUNTRACED, WCONTINUE}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1612 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1613 {
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1614 return const_value (args, octave::sys::wnohang ());
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1615 }
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1616
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1617 DEFUNX ("WUNTRACED", FWUNTRACED, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1618 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1619 @deftypefn {} {} WUNTRACED ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1620 Return the numerical value of the @code{WUNTRACED} macro.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1621
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1622 @code{WUNTRACED} is the option argument that may be passed to
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1623 @code{waitpid} to indicate that it should also return if the child
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1624 process has stopped but is not traced via the @code{ptrace} system call
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1625 @seealso{waitpid, WNOHANG, WCONTINUE}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1626 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1627 {
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1628 return const_value (args, octave::sys::wuntraced ());
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1629 }
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1630
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1631 DEFUNX ("WCONTINUE", FWCONTINUE, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1632 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1633 @deftypefn {} {} WCONTINUE ()
25113 476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1634 Return the numerical value of the @code{WCONTINUE} macro.
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1635
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1636 @code{WCONTINUE} is the option argument that may be passed to
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1637 @code{waitpid} to indicate that it should also return if a stopped child
476fc012d09a doc: Shorten very long first sentences of docstrings (bug #53388). John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	1638 has been resumed by delivery of a @code{SIGCONT} signal.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1639 @seealso{waitpid, WNOHANG, WUNTRACED}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21949 diff changeset	1640 @end deftypefn */)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1641 {
21921 ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros John W. Eaton <jwe@octave.org> parents: 21911 diff changeset	1642 return const_value (args, octave::sys::wcontinue ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1643 }

Mercurial > octave

annotate libinterp/corefcn/syscalls.cc @ 25782:0862570da0ae