octave: libinterp/corefcn/syscalls.cc annotate

annotate libinterp/corefcn/syscalls.cc @ 20800:fb128aafc322

eliminate return statements after calls to print_usage * syscalls.cc, time.cc, tril.cc, typecast.cc, utils.cc: Eliminate return statements after calls to print_usage.

author	John W. Eaton <jwe@octave.org>
date	Thu, 03 Dec 2015 18:33:00 -0500
parents	f7084eae3318
children	f428cbe7576f

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
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19403 diff changeset	3 Copyright (C) 1996-2015 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
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	11 option) any later version.
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	12
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	16 for more details.
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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	20 <http://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
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	29 #ifdef HAVE_CONFIG_H
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	30 #include <config.h>
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
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	33 #include <cstdio>
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	34 #include <cstring>
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	35
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	36 #include <sys/types.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	37 #include <unistd.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	38
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	39 #include <fcntl.h>
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	40
17236 6a6e3f1a824c save history on exec (bug #39734) John W. Eaton <jwe@octave.org> parents: 15221 diff changeset	41 #include "cmd-hist.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	42 #include "file-ops.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	43 #include "file-stat.h"
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	44 #include "oct-env.h"
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	45 #include "oct-syscalls.h"
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	46 #include "oct-uname.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	47
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	48 #include "defun.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	49 #include "error.h"
2078 4d43f960f2cc [project @ 1996-04-24 01:12:59 by jwe] jwe parents: 2075 diff changeset	50 #include "gripes.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	51 #include "lo-utils.h"
17236 6a6e3f1a824c save history on exec (bug #39734) John W. Eaton <jwe@octave.org> parents: 15221 diff changeset	52 #include "oct-hist.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	53 #include "oct-map.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	54 #include "oct-obj.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	55 #include "oct-stdstrm.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	56 #include "oct-stream.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	57 #include "sysdep.h"
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	58 #include "utils.h"
2366 c90105b99479 [project @ 1996-10-11 23:22:27 by jwe] jwe parents: 2305 diff changeset	59 #include "variables.h"
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	60 #include "input.h"
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	61
10762 d53eb6249892 use scalar map in some syscalls Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	62 static octave_scalar_map
8549 424ba638d8f1 [mq]: fstat file-io.cc (Ffstat): new function parents: 8286 diff changeset	63 mk_stat_map (const base_file_stat& fs)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	64 {
10762 d53eb6249892 use scalar map in some syscalls Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	65 octave_scalar_map m;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	66
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	67 m.assign ("dev", static_cast<double> (fs.dev ()));
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	68 m.assign ("ino", fs.ino ());
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	69 m.assign ("mode", fs.mode ());
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	70 m.assign ("modestr", fs.mode_as_string ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	71 m.assign ("nlink", fs.nlink ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	72 m.assign ("uid", fs.uid ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	73 m.assign ("gid", fs.gid ());
3887 7da18459c08b [project @ 2002-04-04 00:44:21 by jwe] jwe parents: 3715 diff changeset	74 #if defined (HAVE_STRUCT_STAT_ST_RDEV)
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	75 m.assign ("rdev", static_cast<double> (fs.rdev ()));
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	76 #endif
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	77 m.assign ("size", fs.size ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	78 m.assign ("atime", fs.atime ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	79 m.assign ("mtime", fs.mtime ());
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	80 m.assign ("ctime", fs.ctime ());
3887 7da18459c08b [project @ 2002-04-04 00:44:21 by jwe] jwe parents: 3715 diff changeset	81 #if defined (HAVE_STRUCT_STAT_ST_BLKSIZE)
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	82 m.assign ("blksize", fs.blksize ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	83 #endif
3887 7da18459c08b [project @ 2002-04-04 00:44:21 by jwe] jwe parents: 3715 diff changeset	84 #if defined (HAVE_STRUCT_STAT_ST_BLOCKS)
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4371 diff changeset	85 m.assign ("blocks", fs.blocks ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	86 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	87
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	88 return m;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	89 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	90
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	91 static octave_value_list
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	92 mk_stat_result (const base_file_stat& fs)
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	93 {
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	94 octave_value_list retval;
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	95
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	96 if (fs)
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	97 {
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	98 retval(2) = std::string ();
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	99 retval(1) = 0;
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	100 retval(0) = octave_value (mk_stat_map (fs));
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	101 }
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	102 else
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	103 {
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	104 retval(2) = fs.error ();
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	105 retval(1) = -1;
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	106 retval(0) = Matrix ();
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
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	109 return retval;
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	110 }
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	111
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	112 DEFUNX ("dup2", Fdup2, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	113 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	114 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} dup2 (@var{old}, @var{new})\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	115 Duplicate a file descriptor.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	116 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	117 If successful, @var{fid} is greater than zero and contains the new file ID@.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	118 Otherwise, @var{fid} is negative and @var{msg} contains a system-dependent\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	119 error message.\n\
19109 e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	120 @seealso{fopen, fclose, fcntl}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	121 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	122 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	123 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	124
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	125 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	126 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	127
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	128 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	129
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	130 if (nargin != 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	131 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	132
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	133 octave_stream old_stream
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	134 = octave_stream_list::lookup (args(0), "dup2");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	135
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	136 octave_stream new_stream
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	137 = octave_stream_list::lookup (args(1), "dup2");
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	138
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	139 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	140 int i_new = new_stream.file_number ();
20741 a5ab31b52ae8 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20704 diff changeset	141
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	142 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	143 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	144 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	145
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	146 int status = octave_syscalls::dup2 (i_old, i_new, msg);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	147
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	148 retval(1) = msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	149 retval(0) = status;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	150 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	151
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	152 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	153 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	154
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	155 DEFUNX ("exec", Fexec, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	156 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	157 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} exec (@var{file}, @var{args})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	158 Replace current process with a new process.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	159 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	160 Calling @code{exec} without first calling @code{fork} will terminate your\n\
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20172 diff changeset	161 current Octave process and replace it with the program named by @var{file}.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	162 For example,\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	163 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	164 @example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	165 exec (\"ls\" \"-l\")\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	166 @end example\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	167 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	168 @noindent\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	169 will run @code{ls} and return you to your shell prompt.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	170 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	171 If successful, @code{exec} does not return. If @code{exec} does return,\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	172 @var{err} will be nonzero, and @var{msg} will contain a system-dependent\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	173 error message.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	174 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	175 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	176 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	177
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	178 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	179 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	180
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	181 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	182
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	183 if (nargin < 1 \|\| nargin > 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	184 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	185
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	186 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	187
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	188 string_vector exec_args;
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	189
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	190 if (nargin == 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	191 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	192 string_vector tmp = args(1).xall_strings ("exec: all arguments must be strings");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	193
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	194 int len = tmp.numel ();
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	195
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	196 exec_args.resize (len + 1);
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	197
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	198 exec_args[0] = exec_file;
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	199
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	200 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	201 exec_args[i+1] = tmp[i];
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	202 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	203 else
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	204 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	205 exec_args.resize (1);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	206
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	207 exec_args[0] = exec_file;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	208 }
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	209
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	210 octave_history_write_timestamp ();
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	211
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	212 if (! command_history::ignoring_entries ())
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	213 command_history::clean_up_and_save ();
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	214
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	215 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	216
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	217 int status = octave_syscalls::execvp (exec_file, exec_args, msg);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	218
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	219 retval(1) = msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	220 retval(0) = status;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	221
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	222 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	223 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	224
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	225 DEFUNX ("popen2", Fpopen2, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	226 "-- texinfo --\n\
6678 49724abe1236 [project @ 2007-05-31 19:44:45 by jwe] jwe parents: 6545 diff changeset	227 @deftypefn {Built-in Function} {[@var{in}, @var{out}, @var{pid}] =} popen2 (@var{command}, @var{args})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	228 Start a subprocess with two-way communication.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	229 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	230 The name of the process is given by @var{command}, and @var{args} is an\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	231 array of strings containing options for the command.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	232 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	233 The file identifiers for the input and output streams of the subprocess are\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	234 returned in @var{in} and @var{out}. If execution of the command is\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	235 successful, @var{pid} contains the process ID of the subprocess. Otherwise,\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	236 @var{pid} is @minus{}1.\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	237 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	238 For example:\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	239 \n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	240 @example\n\
6923 1fcee6e2c4d3 [project @ 2007-09-25 16:57:12 by jwe] jwe parents: 6678 diff changeset	241 [in, out, pid] = popen2 (\"sort\", \"-r\");\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	242 fputs (in, \"these\\nare\\nsome\\nstrings\\n\");\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	243 fclose (in);\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	244 EAGAIN = errno (\"EAGAIN\");\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	245 done = false;\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	246 do\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	247 s = fgets (out);\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	248 if (ischar (s))\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	249 fputs (stdout, s);\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	250 elseif (errno () == EAGAIN)\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	251 sleep (0.1);\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	252 fclear (out);\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	253 else\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	254 done = true;\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	255 endif\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	256 until (done)\n\
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	257 fclose (out);\n\
9563 f5c28d8f5147 syscalls.cc: Recommend waitpid() in popen2() documentation. Rob Mahurin <rob@utk.edu> parents: 9209 diff changeset	258 waitpid (pid);\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	259 \n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	260 @print{} these\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	261 @print{} strings\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	262 @print{} some\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	263 @print{} are\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	264 @end example\n\
9563 f5c28d8f5147 syscalls.cc: Recommend waitpid() in popen2() documentation. Rob Mahurin <rob@utk.edu> parents: 9209 diff changeset	265 \n\
17968 43c199e83ed7 Reap child process in popen2 %!test block. Rik <rik@octave.org> parents: 17951 diff changeset	266 Note that @code{popen2}, unlike @code{popen}, will not @nospell{\"reap\"} the\n\
9563 f5c28d8f5147 syscalls.cc: Recommend waitpid() in popen2() documentation. Rob Mahurin <rob@utk.edu> parents: 9209 diff changeset	267 child process. If you don't use @code{waitpid} to check the child's\n\
9564 9e4333169eae fix typo in last patch Jaroslav Hajek <highegg@gmail.com> parents: 9563 diff changeset	268 exit status, it will linger until Octave exits.\n\
17968 43c199e83ed7 Reap child process in popen2 %!test block. Rik <rik@octave.org> parents: 17951 diff changeset	269 @seealso{popen, waitpid}\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	270 @end deftypefn")
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	271 {
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	272 octave_value_list retval;
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	273
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	274 retval(2) = -1;
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	275 retval(1) = Matrix ();
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	276 retval(0) = Matrix ();
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	277
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	278 int nargin = args.length ();
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	279
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	280 if (nargin < 1 \|\| nargin > 3)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	281 print_usage ();
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	282
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	283 std::string exec_file = args(0).xstring_value ("popen2: COMMAND argument must be a string");
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	284
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	285 string_vector arg_list;
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	286
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	287 if (nargin >= 2)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	288 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	289 string_vector tmp = args(1).xall_strings ("popen2: all arguments must be strings");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	290
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	291 int len = tmp.numel ();
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	292
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	293 arg_list.resize (len + 1);
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	294
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	295 arg_list[0] = exec_file;
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	296
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	297 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	298 arg_list[i+1] = tmp[i];
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	299 }
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	300 else
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	301 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	302 arg_list.resize (1);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	303
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	304 arg_list[0] = exec_file;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	305 }
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	306
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	307 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	308
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	309 int fildes[2];
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	310 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	311 pid_t pid;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	312
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	313 pid = octave_syscalls::popen2 (exec_file, arg_list, sync_mode,
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	314 fildes, msg, interactive);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	315 if (pid >= 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	316 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	317 FILE *ifile = fdopen (fildes[1], "r");
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	318 FILE *ofile = fdopen (fildes[0], "w");
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	319
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	320 std::string nm;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	321
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	322 octave_stream is = octave_stdiostream::create (exec_file + "-in",
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	323 ifile,
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	324 std::ios::in);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	325
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	326 octave_stream os = octave_stdiostream::create (exec_file + "-out",
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	327 ofile,
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	328 std::ios::out);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	329
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	330 Cell file_ids (1, 2);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	331
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	332 retval(2) = pid;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	333 retval(1) = octave_stream_list::insert (is);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	334 retval(0) = octave_stream_list::insert (os);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	335 }
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	336 else
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	337 error (msg.c_str ());
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	338
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	339 return retval;
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	340 }
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	341
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	342 /*
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	343
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	344 %!test # UNIX-style test
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	345 %! if (isunix () \|\| ismac ())
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	346 %! [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	347 %! EAGAIN = errno ("EAGAIN");
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	348 %! fputs (in, "these\nare\nsome\nstrings\n");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	349 %! fclose (in);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	350 %! done = false;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	351 %! str = {};
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	352 %! idx = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	353 %! errs = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	354 %! do
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	355 %! if (ismac ()) # FIXME: Is this necessary?
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	356 %! errno (0);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	357 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	358 %! s = fgets (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	359 %! if (ischar (s))
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	360 %! idx++;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	361 %! str{idx} = s;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	362 %! elseif (errno () == EAGAIN)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	363 %! fclear (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	364 %! sleep (0.1);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	365 %! if (++errs == 100)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	366 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	367 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	368 %! else
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	369 %! done = true;
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	370 %! endif
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	371 %! until (done)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	372 %! fclose (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	373 %! waitpid (pid);
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	374 %! 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	375 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	376
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	377 %!test # Windows-style test
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	378 %! if (ispc () && ! isunix ())
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	379 %! [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	380 %! EAGAIN = errno ("EINVAL");
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	381 %! 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	382 %! fclose (in);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	383 %! done = false;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	384 %! str = {};
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	385 %! idx = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	386 %! errs = 0;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	387 %! do
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	388 %! errno (0);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	389 %! s = fgets (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	390 %! if (ischar (s))
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	391 %! idx++;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	392 %! str{idx} = s;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	393 %! elseif (errno () == EAGAIN)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	394 %! fclear (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	395 %! sleep (0.1);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	396 %! if (++errs == 100)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	397 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	398 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	399 %! else
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	400 %! done = true;
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	401 %! endif
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	402 %! until (done)
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	403 %! fclose (out);
c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	404 %! waitpid (pid);
14861 f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	405 %! 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	406 %! endif
18022 c3cd335bd71b Rewrite failing popen2 test for Windows (bug #40606). Rik <rik@octave.org> parents: 17969 diff changeset	407
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	408 */
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	409
10259 65b41bc71f09 use gnulib fcntl module John W. Eaton <jwe@octave.org> parents: 10252 diff changeset	410 DEFUNX ("fcntl", Ffcntl, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	411 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	412 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} fcntl (@var{fid}, @var{request}, @var{arg})\n\
19109 e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	413 Change the properties of the open file @var{fid}.\n\
e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	414 \n\
e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	415 The following values may be passed as @var{request}:\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	416 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	417 @vtable @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	418 @item F_DUPFD\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	419 Return a duplicate file descriptor.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	420 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	421 @item F_GETFD\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	422 Return the file descriptor flags for @var{fid}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	423 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	424 @item F_SETFD\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	425 Set the file descriptor flags for @var{fid}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	426 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	427 @item F_GETFL\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	428 Return the file status flags for @var{fid}. The following codes may be\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	429 returned (some of the flags may be undefined on some systems).\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	430 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	431 @vtable @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	432 @item O_RDONLY\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	433 Open for reading only.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	434 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	435 @item O_WRONLY\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	436 Open for writing only.\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	437 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	438 @item O_RDWR\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	439 Open for reading and writing.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	440 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	441 @item O_APPEND\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	442 Append on each write.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	443 \n\
5040 b6ff3a0d3d17 [project @ 2004-09-27 13:50:01 by jwe] jwe parents: 4928 diff changeset	444 @item O_CREAT\n\
b6ff3a0d3d17 [project @ 2004-09-27 13:50:01 by jwe] jwe parents: 4928 diff changeset	445 Create the file if it does not exist.\n\
b6ff3a0d3d17 [project @ 2004-09-27 13:50:01 by jwe] jwe parents: 4928 diff changeset	446 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	447 @item O_NONBLOCK\n\
10791 3140cb7a05a1 Add spellchecker scripts for Octave and run spellcheck of documentation Rik <octave@nomad.inbox5.com> parents: 10762 diff changeset	448 Non-blocking mode.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	449 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	450 @item O_SYNC\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	451 Wait for writes to complete.\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	452 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	453 @item O_ASYNC\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	454 Asynchronous I/O.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	455 @end vtable\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	456 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	457 @item F_SETFL\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	458 Set the file status flags for @var{fid} to the value specified by @var{arg}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	459 The only flags that can be changed are @w{@code{O_APPEND}} and\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	460 @w{@code{O_NONBLOCK}}.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	461 @end vtable\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	462 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	463 If successful, @var{err} is 0 and @var{msg} is an empty string. Otherwise,\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	464 @var{err} is nonzero and @var{msg} contains a system-dependent error\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	465 message.\n\
19109 e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	466 @seealso{fopen, dup2}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	467 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	468 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	469 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	470
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	471 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	472 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	473
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	474 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	475
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	476 if (nargin != 3)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	477 print_usage ();
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	478
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	479 octave_stream strm = octave_stream_list::lookup (args(0), "fcntl");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	480
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	481 int fid = strm.file_number ();
3715 e5ff21d2bac6 [project @ 2000-09-01 05:52:56 by jwe] jwe parents: 3531 diff changeset	482
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	483 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	484 int arg = args(2).int_value (true);
3715 e5ff21d2bac6 [project @ 2000-09-01 05:52:56 by jwe] jwe parents: 3531 diff changeset	485
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	486 // FIXME: Need better checking here?
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	487 if (fid < 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	488 error ("fcntl: invalid file id");
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	489 else
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	490 {
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	491 std::string msg;
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	492
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	493 int status = octave_fcntl (fid, req, arg, msg);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	494
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	495 retval(1) = msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	496 retval(0) = status;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	497 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	498
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	499 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	500 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	501
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	502 DEFUNX ("fork", Ffork, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	503 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	504 @deftypefn {Built-in Function} {[@var{pid}, @var{msg}] =} fork ()\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	505 Create a copy of the current process.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	506 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	507 Fork can return one of the following values:\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	508 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	509 @table @asis\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	510 @item > 0\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	511 You are in the parent process. The value returned from @code{fork} is the\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	512 process id of the child process. You should probably arrange to wait for\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	513 any child processes to exit.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	514 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	515 @item 0\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	516 You are in the child process. You can call @code{exec} to start another\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	517 process. If that fails, you should probably call @code{exit}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	518 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	519 @item < 0\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	520 The call to @code{fork} failed for some reason. You must take evasive\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	521 action. A system dependent error message will be waiting in @var{msg}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	522 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	523 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	524 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	525 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	526
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	527 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	528 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	529
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	530 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	531
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	532 if (nargin != 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	533 print_usage ();
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	534
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	535 std::string msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	536
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	537 pid_t pid = octave_syscalls::fork (msg);
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	538
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	539 retval(1) = msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	540 retval(0) = pid;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	541
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	542 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	543 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	544
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	545 DEFUNX ("getpgrp", Fgetpgrp, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	546 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	547 @deftypefn {Built-in Function} {pgid =} getpgrp ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	548 Return the process group id of the current process.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	549 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	550 {
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	551 octave_value_list retval;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	552
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	553 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	554 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	555
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	556 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	557
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	558 if (nargin != 0)
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	559 print_usage ();
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	560
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	561 std::string msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	562
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	563 retval(1) = msg;
fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	564 retval(0) = octave_syscalls::getpgrp (msg);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	565
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	566 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	567 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	568
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	569 DEFUNX ("getpid", Fgetpid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	570 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	571 @deftypefn {Built-in Function} {pid =} getpid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	572 Return the process id of the current process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	573 @seealso{getppid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	574 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	575 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	576 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	577
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	578 if (nargin != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	579 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	580
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	581 return octave_value (octave_syscalls::getpid ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	582 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	583
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	584 DEFUNX ("getppid", Fgetppid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	585 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	586 @deftypefn {Built-in Function} {pid =} getppid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	587 Return the process id of the parent process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	588 @seealso{getpid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	589 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	590 {
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	591 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	592
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	593 if (nargin != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	594 print_usage ();
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	595
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	596 return octave_value (octave_syscalls::getppid ());
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	597 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	598
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	599 DEFUNX ("getegid", Fgetegid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	600 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	601 @deftypefn {Built-in Function} {egid =} getegid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	602 Return the effective group id of the current process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	603 @seealso{getgid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	604 @end deftypefn")
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	605 {
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	606 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	607
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	608 if (nargin != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	609 print_usage ();
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	610
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	611 return octave_value (octave_syscalls::getegid ());
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	612 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	613
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	614 DEFUNX ("getgid", Fgetgid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	615 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	616 @deftypefn {Built-in Function} {gid =} getgid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	617 Return the real group id of the current process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	618 @seealso{getegid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	619 @end deftypefn")
2475 1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	620 {
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	621 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe] jwe parents: 2473 diff changeset	622
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	623 if (nargin != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	624 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	625
20800 fb128aafc322 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	626 return octave_value (octave_syscalls::getgid ());
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	627 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	628
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	629 DEFUNX ("geteuid", Fgeteuid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	630 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	631 @deftypefn {Built-in Function} {euid =} geteuid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	632 Return the effective user id of the current process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	633 @seealso{getuid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	634 @end deftypefn")
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	635 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 3887 diff changeset	636 octave_value retval = -1;
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	637
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	638 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	639
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	640 if (nargin == 0)
4254 df5f2e433a11 [project @ 2002-12-31 19:43:07 by jwe] jwe parents: 4233 diff changeset	641 retval = octave_syscalls::geteuid ();
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	642 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	643 print_usage ();
2473 bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	644
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	645 return retval;
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	646 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	647
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	648 DEFUNX ("getuid", Fgetuid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	649 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	650 @deftypefn {Built-in Function} {uid =} getuid ()\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	651 Return the real user id of the current process.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	652 @seealso{geteuid}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	653 @end deftypefn")
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	654 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 3887 diff changeset	655 octave_value retval = -1;
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	656
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	657 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	658
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	659 if (nargin == 0)
4254 df5f2e433a11 [project @ 2002-12-31 19:43:07 by jwe] jwe parents: 4233 diff changeset	660 retval = octave_syscalls::getuid ();
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	661 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	662 print_usage ();
2473 bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	663
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe] jwe parents: 2472 diff changeset	664 return retval;
2472 0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	665 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe] jwe parents: 2457 diff changeset	666
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	667 DEFUNX ("kill", Fkill, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	668 "-- texinfo --\n\
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	669 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} kill (@var{pid}, @var{sig})\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	670 Send signal @var{sig} to process @var{pid}.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	671 \n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	672 If @var{pid} is positive, then signal @var{sig} is sent to @var{pid}.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	673 \n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	674 If @var{pid} is 0, then signal @var{sig} is sent to every process\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	675 in the process group of the current process.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	676 \n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	677 If @var{pid} is -1, then signal @var{sig} is sent to every process\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	678 except process 1.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	679 \n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	680 If @var{pid} is less than -1, then signal @var{sig} is sent to every\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	681 process in the process group @var{-pid}.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	682 \n\
4371 c14ec945fabb [project @ 2003-03-26 16:05:59 by jwe] jwe parents: 4327 diff changeset	683 If @var{sig} is 0, then no signal is sent, but error checking is still\n\
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	684 performed.\n\
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	685 \n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6923 diff changeset	686 Return 0 if successful, otherwise return -1.\n\
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	687 @end deftypefn")
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	688 {
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	689 octave_value_list retval;
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	690
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	691 retval(1) = std::string ();
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	692 retval(0) = -1;
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	693
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	694 if (args.length () == 2)
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	695 {
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	696 pid_t pid = args(0).int_value (true);
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	697
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	698 int sig = args(1).int_value (true);
56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	699
56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	700 std::string msg;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	701
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	702 int status = octave_syscalls::kill (pid, sig, msg);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	703
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	704 retval(1) = msg;
56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	705 retval(0) = status;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	706 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	707 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	708 print_usage ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	709
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	710 return retval;
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	711 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	712
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	713 DEFUNX ("lstat", Flstat, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	714 "-- texinfo --\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	715 @deftypefn {Built-in Function} {@var{info} =} lstat (@var{symlink})\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	716 @deftypefnx {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{symlink})\n\
12211 11faa69c4eaa Add S_ISBLK and family of functions to documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	717 Return a structure @var{info} containing information about the symbolic link\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	718 @var{symlink}.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	719 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	720 The function outputs are described in the documentation for @code{stat}.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	721 @seealso{stat, symlink}\n\
3458 d25bc039237b [project @ 2000-01-19 09:36:14 by jwe] jwe parents: 3446 diff changeset	722 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	723 {
2263 dafbde8087e6 [project @ 1996-05-23 18:44:40 by jwe] jwe parents: 2262 diff changeset	724 octave_value_list retval;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	725
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	726 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	727 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	728 std::string fname = args(0).xstring_value ("lstat: NAME must be a string");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	729
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	730 file_stat fs (fname, false);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	731
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	732 retval = mk_stat_result (fs);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	733 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	734 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	735 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	736
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	737 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	738 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	739
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	740 // 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	741 // 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	742 static int
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	743 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	744 {
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	745 int retval = 0;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	746
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	747 int tmp = x % obase;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	748
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	749 if (tmp > ibase - 1)
20428 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20232 diff changeset	750 error ("mkfifo: invalid digit");
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	751 else
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	752 {
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	753 retval = tmp;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	754 int mult = ibase;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	755 while ((x = (x - tmp) / obase))
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	756 {
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	757 tmp = x % obase;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	758 if (tmp > ibase - 1)
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	759 {
20428 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20232 diff changeset	760 error ("mkfifo: invalid digit");
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	761 break;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	762 }
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	763 retval += mult * tmp;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	764 mult *= ibase;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	765 }
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	766 }
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	767
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	768 return retval;
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	769 }
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	770
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	771 DEFUNX ("mkfifo", Fmkfifo, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	772 "-- texinfo --\n\
20198 b597bd161a5f doc: Document that mkfifo's mode argument is in decimal (bug #45054). Rik <rik@octave.org> parents: 20181 diff changeset	773 @deftypefn {Built-in Function} {@var{err} =} mkfifo (@var{name}, @var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	774 @deftypefnx {Built-in Function} {[@var{err}, @var{msg}] =} mkfifo (@var{name}, @var{mode})\n\
20198 b597bd161a5f doc: Document that mkfifo's mode argument is in decimal (bug #45054). Rik <rik@octave.org> parents: 20181 diff changeset	775 Create a FIFO special file named @var{name} with file mode @var{mode}.\n\
b597bd161a5f doc: Document that mkfifo's mode argument is in decimal (bug #45054). Rik <rik@octave.org> parents: 20181 diff changeset	776 \n\
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	777 @var{mode} is interpreted as an octal number and is subject to umask\n\
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	778 processing. The final calculated mode is @code{@var{mode} - @var{umask}}.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	779 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	780 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	781 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	782 error message.\n\
20198 b597bd161a5f doc: Document that mkfifo's mode argument is in decimal (bug #45054). Rik <rik@octave.org> parents: 20181 diff changeset	783 @seealso{pipe, umask}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	784 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	785 {
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	786 octave_value_list retval (2);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	787
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	788 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	789 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	790
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	791 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	792
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	793 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	794 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	795 std::string name = args(0).xstring_value ("mkfifo: FILE must be a string");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	796
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	797 int octal_mode = args(1).xint_value ("mkfifo: MODE must be an integer");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	798
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	799 if (octal_mode < 0)
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	800 error ("mkfifo: MODE must be a positive integer value");
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	801 else
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	802 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	803 int mode = convert (octal_mode, 8, 10);
4254 df5f2e433a11 [project @ 2002-12-31 19:43:07 by jwe] jwe parents: 4233 diff changeset	804
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	805 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	806
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	807 int status = octave_mkfifo (name, mode, msg);
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	808
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	809 retval(0) = status;
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	810
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	811 if (status < 0)
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	812 retval(1) = msg;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	813 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	814 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	815 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	816 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	817
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	818 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	819 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	820
20200 d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	821 /*
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	822
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	823 ## Test input validation
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	824 %!error mkfifo ()
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	825 %!error mkfifo ("abc")
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	826 %!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	827 %!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	828 ## 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	829 #%!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	830 #%!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	831
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	832 */
d9f35ceff9e1 Change mkfifo to use an octal argument for MODE (bug #45054). Rik <rik@octave.org> parents: 20198 diff changeset	833
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	834 DEFUNX ("pipe", Fpipe, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	835 "-- texinfo --\n\
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	836 @deftypefn {Built-in Function} {[@var{read_fd}, @var{write_fd}, @var{err}, @var{msg}] =} pipe ()\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	837 Create a pipe and return the reading and writing ends of the pipe into\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	838 @var{read_fd} and @var{write_fd} respectively.\n\
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	839 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	840 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	841 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	842 error message.\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	843 @seealso{mkfifo}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	844 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	845 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	846 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	847
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	848 retval(3) = std::string ();
363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	849 retval(2) = -1;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	850 retval(1) = -1;
6321 363a2f8c9e97 [project @ 2007-02-16 20:26:23 by dbateman] dbateman parents: 5872 diff changeset	851 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	852
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	853 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	854
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	855 if (nargin == 0)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	856 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	857 int fid[2];
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	858
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	859 std::string msg;
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	860
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	861 int status = octave_syscalls::pipe (fid, msg);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	862
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	863 if (status < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	864 retval(3) = msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	865 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	866 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	867 FILE *ifile = fdopen (fid[0], "r");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	868 FILE *ofile = fdopen (fid[1], "w");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	869
20764 0ad449bc8848 Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504). Rik <rik@octave.org> parents: 20741 diff changeset	870 octave_stream is = octave_stdiostream::create ("pipe-in", ifile,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	871 std::ios::in);
4327 c29c382a5b4b [project @ 2003-02-16 03:24:26 by jwe] jwe parents: 4294 diff changeset	872
20764 0ad449bc8848 Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504). Rik <rik@octave.org> parents: 20741 diff changeset	873 octave_stream os = octave_stdiostream::create ("pipe-out", ofile,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	874 std::ios::out);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	875
14022 de90542b7afc Return retval(1) before retval(0) to avoid re-sizing call on retval. Rik <octave@nomad.inbox5.com> parents: 12642 diff changeset	876 retval(2) = status;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	877 retval(1) = octave_stream_list::insert (os);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	878 retval(0) = octave_stream_list::insert (is);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	879 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	880 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	881 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	882 print_usage ();
2075 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 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	885 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	886
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	887 DEFUNX ("stat", Fstat, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	888 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	889 @deftypefn {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{file})\n\
11417 1a7b41db5432 Add additional calling form using file descriptor (fid) to docstring for stat. Rik <octave@nomad.inbox5.com> parents: 11152 diff changeset	890 @deftypefnx {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{fid})\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	891 @deftypefnx {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{file})\n\
11417 1a7b41db5432 Add additional calling form using file descriptor (fid) to docstring for stat. Rik <octave@nomad.inbox5.com> parents: 11152 diff changeset	892 @deftypefnx {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{fid})\n\
12211 11faa69c4eaa Add S_ISBLK and family of functions to documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	893 Return a structure @var{info} containing the following information about\n\
11417 1a7b41db5432 Add additional calling form using file descriptor (fid) to docstring for stat. Rik <octave@nomad.inbox5.com> parents: 11152 diff changeset	894 @var{file} or file identifier @var{fid}.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	895 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	896 @table @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	897 @item dev\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	898 ID of device containing a directory entry for this file.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	899 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	900 @item ino\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	901 File number of the file.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	902 \n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	903 @item mode\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	904 File mode, as an integer. Use the functions @w{@code{S_ISREG}},\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17236 diff changeset	905 @w{@code{S_ISDIR}}, @w{@code{S_ISCHR}}, @w{@code{S_ISBLK}},\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17236 diff changeset	906 @w{@code{S_ISFIFO}}, @w{@code{S_ISLNK}}, or @w{@code{S_ISSOCK}} to extract\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17236 diff changeset	907 information from this value.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	908 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	909 @item modestr\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	910 File mode, as a string of ten letters or dashes as would be returned by\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	911 @kbd{ls -l}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	912 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	913 @item nlink\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	914 Number of links.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	915 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	916 @item uid\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	917 User ID of file's owner.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	918 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	919 @item gid\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	920 Group ID of file's group.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	921 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	922 @item rdev\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	923 ID of device for block or character special files.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	924 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	925 @item size\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	926 Size in bytes.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	927 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	928 @item atime\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	929 Time of last access in the same form as time values returned from\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	930 @code{time}. @xref{Timing Utilities}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	931 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	932 @item mtime\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	933 Time of last modification in the same form as time values returned from\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	934 @code{time}. @xref{Timing Utilities}.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	935 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	936 @item ctime\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	937 Time of last file status change in the same form as time values\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	938 returned from @code{time}. @xref{Timing Utilities}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	939 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	940 @item blksize\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	941 Size of blocks in the file.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	942 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	943 @item blocks\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	944 Number of blocks allocated for file.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	945 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	946 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	947 If the call is successful @var{err} is 0 and @var{msg} is an empty string.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	948 If the file does not exist, or some other error occurs, @var{info} is an\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	949 empty matrix, @var{err} is @minus{}1, and @var{msg} contains the\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	950 corresponding system error message.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	951 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	952 If @var{file} is a symbolic link, @code{stat} will return information about\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	953 the actual file that is referenced by the link. Use @code{lstat} if you\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	954 want information about the symbolic link itself.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	955 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	956 For example:\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	957 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	958 @example\n\
15065 f7215831fe78 doc: be consistent on var name on stat help text Carnë Draug <carandraug+dev@gmail.com> parents: 14861 diff changeset	959 [info, err, msg] = stat (\"/vmlinuz\")\n\
f7215831fe78 doc: be consistent on var name on stat help text Carnë Draug <carandraug+dev@gmail.com> parents: 14861 diff changeset	960 @result{} info =\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	961 @{\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	962 atime = 855399756\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	963 rdev = 0\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	964 ctime = 847219094\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	965 uid = 0\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	966 size = 389218\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	967 blksize = 4096\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	968 mtime = 847219094\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	969 gid = 6\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	970 nlink = 1\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	971 blocks = 768\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	972 mode = -rw-r--r--\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	973 modestr = -rw-r--r--\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	974 ino = 9316\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	975 dev = 2049\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	976 @}\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	977 @result{} err = 0\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	978 @result{} msg =\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	979 @end example\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	980 @seealso{lstat, ls, dir}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	981 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	982 {
2262 1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe] jwe parents: 2086 diff changeset	983 octave_value_list retval;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	984
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	985 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	986 {
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	987 if (args(0).is_scalar_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	988 {
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	989 int fid = octave_stream_list::get_file_number (args(0));
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	990
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	991 file_fstat fs (fid);
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	992
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	993 retval = mk_stat_result (fs);
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	994 }
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	995 else
1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	996 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	997 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	998
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	999 file_stat fs (fname);
10336 1603dfe72933 obsolete fstat, handle the functionality by stat Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	1000
20560 56fee8f84fe7 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	1001 retval = mk_stat_result (fs);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10299 diff changeset	1002 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1003 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1004 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1005 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1006
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1007 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1008 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1009
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1010 DEFUNX ("S_ISREG", FS_ISREG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1011 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1012 @deftypefn {Built-in Function} {} S_ISREG (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1013 Return true if @var{mode} corresponds to a regular file.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1014 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1015 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1016 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1017 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1018 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1019 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1020
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1021 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1022 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1023 double mode = args(0).xdouble_value ("S_ISREG: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1024
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1025 retval = 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	1026 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1027 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1028 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1029
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1030 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1031 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1032
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1033 DEFUNX ("S_ISDIR", FS_ISDIR, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1034 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1035 @deftypefn {Built-in Function} {} S_ISDIR (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1036 Return true if @var{mode} corresponds to a directory.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1037 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1038 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1039 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1040 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1041 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1042 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1043
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1044 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1045 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1046 double mode = args(0).xdouble_value ("S_ISDIR: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1047
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1048 retval = 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	1049 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1050 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1051 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1052
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1053 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1054 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1055
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1056 DEFUNX ("S_ISCHR", FS_ISCHR, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1057 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1058 @deftypefn {Built-in Function} {} S_ISCHR (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1059 Return true if @var{mode} corresponds to a character device.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1060 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1061 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1062 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1063 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1064 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1065 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1066
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1067 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1068 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1069 double mode = args(0).xdouble_value ("S_ISCHR: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1070
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1071 retval = 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	1072 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1073 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1074 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1075
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1076 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1077 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1078
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1079 DEFUNX ("S_ISBLK", FS_ISBLK, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1080 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1081 @deftypefn {Built-in Function} {} S_ISBLK (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1082 Return true if @var{mode} corresponds to a block device.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1083 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1084 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1085 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1086 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1087 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1088 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1089
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1090 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1091 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1092 double mode = args(0).xdouble_value ("S_ISBLK: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1093
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1094 retval = 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	1095 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1096 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1097 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1098
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1099 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1100 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1101
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1102 DEFUNX ("S_ISFIFO", FS_ISFIFO, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1103 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1104 @deftypefn {Built-in Function} {} S_ISFIFO (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1105 Return true if @var{mode} corresponds to a fifo.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1106 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1107 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1108 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1109 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1110 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1111 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1112
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1113 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1114 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1115 double mode = args(0).xdouble_value ("S_ISFIFO: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1116
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1117 retval = 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	1118 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1119 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1120 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1121
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1122 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1123 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1124
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1125 DEFUNX ("S_ISLNK", FS_ISLNK, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1126 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1127 @deftypefn {Built-in Function} {} S_ISLNK (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1128 Return true if @var{mode} corresponds to a symbolic link.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1129 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1130 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1131 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1132 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1133 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1134 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1135
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1136 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1137 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1138 double mode = args(0).xdouble_value ("S_ISLNK: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1139
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1140 retval = 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	1141 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1142 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1143 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1144
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1145 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1146 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1147
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1148 DEFUNX ("S_ISSOCK", FS_ISSOCK, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1149 "-- texinfo --\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1150 @deftypefn {Built-in Function} {} S_ISSOCK (@var{mode})\n\
17397 0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1151 Return true if @var{mode} corresponds to a socket.\n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1152 \n\
0bf2fc8562c9 doc: Update documentation for file and directory functions. Rik <rik@octave.org> parents: 17281 diff changeset	1153 The value of @var{mode} is assumed to be returned from a call to @code{stat}.\n\
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1154 @seealso{stat, lstat}\n\
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1155 @end deftypefn")
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1156 {
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1157 octave_value retval = false;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1158
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1159 if (args.length () == 1)
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1160 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1161 double mode = args(0).xdouble_value ("S_ISSOCK: invalid MODE value");
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1162
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1163 retval = 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	1164 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1165 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1166 print_usage ();
5476 941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1167
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1168 return retval;
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1169 }
941f0fc6b596 [project @ 2005-09-29 22:46:07 by jwe] jwe parents: 5455 diff changeset	1170
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1171 DEFUN (gethostname, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1172 "-- texinfo --\n\
12514 e5e66c389597 Add gethostname to documentation. Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	1173 @deftypefn {Built-in Function} {} gethostname ()\n\
e5e66c389597 Add gethostname to documentation. Rik <octave@nomad.inbox5.com> parents: 12483 diff changeset	1174 Return the hostname of the system where Octave is running.\n\
11006 aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1175 @end deftypefn")
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1176 {
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1177 octave_value retval;
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1178
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1179 if (args.length () == 0)
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1180 retval = octave_env::get_host_name ();
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1181 else
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1182 print_usage ();
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1183
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1184 return retval;
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1185 }
aca961a3f387 provide gethostname function John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	1186
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1187 DEFUN (uname, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1188 "-- texinfo --\n\
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1189 @deftypefn {Built-in Function} {[@var{uts}, @var{err}, @var{msg}] =} uname ()\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1190 Return system information in the structure.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1191 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1192 For example:\n\
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1193 \n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1194 @example\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1195 @group\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1196 uname ()\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1197 @result{} @{\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1198 sysname = x86_64\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1199 nodename = segfault\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1200 release = 2.6.15-1-amd64-k8-smp\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1201 version = Linux\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1202 machine = #2 SMP Thu Feb 23 04:57:49 UTC 2006\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14171 diff changeset	1203 @}\n\
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1204 @end group\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1205 @end example\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1206 \n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1207 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1208 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1209 system-dependent error message.\n\
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1210 @end deftypefn")
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1211 {
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1212 octave_value_list retval;
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1213
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1214 if (args.length () == 0)
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1215 {
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1216 octave_uname sysinfo;
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1217
10762 d53eb6249892 use scalar map in some syscalls Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	1218 octave_scalar_map m;
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1219
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1220 m.assign ("sysname", sysinfo.sysname ());
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1221 m.assign ("nodename", sysinfo.nodename ());
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1222 m.assign ("release", sysinfo.release ());
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1223 m.assign ("version", sysinfo.version ());
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1224 m.assign ("machine", sysinfo.machine ());
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1225
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1226 retval(2) = sysinfo.message ();
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1227 retval(1) = sysinfo.error ();
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1228 retval(0) = m;
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1229 }
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1230 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1231 print_usage ();
5547 8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1232
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1233 return retval;
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1234 }
8b0b36c2dc0c [project @ 2005-11-29 17:41:33 by jwe] jwe parents: 5476 diff changeset	1235
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1236 DEFUNX ("unlink", Funlink, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1237 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1238 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} unlink (@var{file})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1239 Delete the file named @var{file}.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1240 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1241 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1242 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1243 error message.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1244 @seealso{delete, rmdir}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1245 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1246 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1247 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1248
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3458 diff changeset	1249 retval(1) = std::string ();
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	1250 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1251
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1252 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1253
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1254 if (nargin == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1255 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	1256 std::string name = args(0).xstring_value ("unlink: FILE must be a string");
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1257
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1258 std::string msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1259
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1260 int status = octave_unlink (name, msg);
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1261
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1262 retval(1) = msg;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1263 retval(0) = status;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1264 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1265 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1266 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1267
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1268 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1269 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1270
10299 c992efc0c2fa use DEFUNX instead of DEFUN for all functions in syscalls.cc John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1271 DEFUNX ("waitpid", Fwaitpid, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1272 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1273 @deftypefn {Built-in Function} {[@var{pid}, @var{status}, @var{msg}] =} waitpid (@var{pid}, @var{options})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1274 Wait for process @var{pid} to terminate.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1275 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1276 The @var{pid} argument can be:\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1277 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1278 @table @asis\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1279 @item @minus{}1\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1280 Wait for any child process.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1281 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1282 @item 0\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1283 Wait for any child process whose process group ID is equal to that of the\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1284 Octave interpreter process.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1285 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1286 @item > 0\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1287 Wait for termination of the child process with ID @var{pid}.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1288 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1289 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1290 The @var{options} argument can be a bitwise OR of zero or more of the\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1291 following constants:\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1292 \n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1293 @table @code\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1294 @item 0\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1295 Wait until signal is received or a child process exits (this is the default\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1296 if the @var{options} argument is missing).\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1297 \n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1298 @item WNOHANG\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1299 Do not hang if status is not immediately available.\n\
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1300 \n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1301 @item WUNTRACED\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1302 Report the status of any child processes that are stopped, and whose status\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1303 has not yet been reported since they stopped.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1304 \n\
8286 6f2d95255911 fix @seealso references to point to existing anchors Thorsten Meyer <thorsten.meyier@gmx.de> parents: 7924 diff changeset	1305 @item WCONTINUE\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1306 Return if a stopped child has been resumed by delivery of @code{SIGCONT}.\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1307 This value may not be meaningful on all systems.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1308 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1309 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1310 If the returned value of @var{pid} is greater than 0, it is the process ID\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1311 of the child process that exited. If an error occurs, @var{pid} will be\n\
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20172 diff changeset	1312 less than zero and @var{msg} will contain a system-dependent error message.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1313 The value of @var{status} contains additional system-dependent information\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1314 about the subprocess that exited.\n\
8286 6f2d95255911 fix @seealso references to point to existing anchors Thorsten Meyer <thorsten.meyier@gmx.de> parents: 7924 diff changeset	1315 @seealso{WCONTINUE, WCOREDUMP, WEXITSTATUS, WIFCONTINUED, WIFSIGNALED, WIFSTOPPED, WNOHANG, WSTOPSIG, WTERMSIG, WUNTRACED}\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3202 diff changeset	1316 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1317 {
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1318 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1319
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1320 retval(2) = std::string ();
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1321 retval(1) = 0;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4254 diff changeset	1322 retval(0) = -1;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1323
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1324 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1325
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1326 if (nargin == 1 \|\| nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1327 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1328 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	1329
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1330 int options = 0;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1331
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1332 if (args.length () == 2)
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1333 options = args(1).xint_value ("waitpid: PID must be an integer value");
2937 9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe] jwe parents: 2926 diff changeset	1334
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1335 std::string msg;
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1336
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1337 int status = 0;
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3156 diff changeset	1338
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1339 pid_t result = octave_syscalls::waitpid (pid, &status,
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1340 options, msg);
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1341
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1342 retval(2) = msg;
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1343 retval(1) = status;
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1344 retval(0) = result;
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1345 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1346 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1347 print_usage ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1348
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1349 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1350 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1351
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1352 DEFUNX ("WIFEXITED", FWIFEXITED, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1353 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1354 @deftypefn {Built-in Function} {} WIFEXITED (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1355 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1356 true if the child terminated normally.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1357 @seealso{waitpid, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\
5646 2b20d1707f29 [project @ 2006-03-06 22:38:32 by jwe] jwe parents: 5547 diff changeset	1358 @end deftypefn")
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1359 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1360 octave_value retval = false;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1361
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1362 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1363 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1364 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	1365
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1366 retval = octave_wait::ifexited (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1367 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1368 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1369 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1370
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1371 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1372 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1373
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1374 DEFUNX ("WEXITSTATUS", FWEXITSTATUS, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1375 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1376 @deftypefn {Built-in Function} {} WEXITSTATUS (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1377 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1378 the exit status of the child.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1379 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1380 This function should only be employed if @code{WIFEXITED} returned true.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1381 @seealso{waitpid, WIFEXITED, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1382 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1383 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1384 octave_value retval = 0;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1385
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1386 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1387 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1388 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	1389
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1390 retval = octave_wait::exitstatus (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1391 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1392
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1393 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1394 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1395
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1396 DEFUNX ("WIFSIGNALED", FWIFSIGNALED, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1397 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1398 @deftypefn {Built-in Function} {} WIFSIGNALED (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1399 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1400 true if the child process was terminated by a signal.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1401 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1402 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1403 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1404 octave_value retval = false;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1405
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1406 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1407 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1408 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	1409
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1410 retval = octave_wait::ifsignaled (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1411 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1412 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1413 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1414
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1415 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1416 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1417
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1418 DEFUNX ("WTERMSIG", FWTERMSIG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1419 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1420 @deftypefn {Built-in Function} {} WTERMSIG (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1421 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1422 the number of the signal that caused the child process to terminate.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1423 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1424 This function should only be employed if @code{WIFSIGNALED} returned true.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1425 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1426 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1427 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1428 octave_value retval = 0;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1429
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1430 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1431 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1432 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	1433
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1434 retval = octave_wait::termsig (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1435 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1436 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1437 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1438
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1439 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1440 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1441
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1442 DEFUNX ("WCOREDUMP", FWCOREDUMP, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1443 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1444 @deftypefn {Built-in Function} {} WCOREDUMP (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1445 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1446 true if the child produced a core dump.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1447 \n\
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20172 diff changeset	1448 This function should only be employed if @code{WIFSIGNALED} returned true.\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1449 The macro used to implement this function is not specified in POSIX.1-2001\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1450 and is not available on some Unix implementations (e.g., AIX, SunOS).\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1451 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1452 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1453 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1454 octave_value retval = false;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1455
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1456 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1457 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1458 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	1459
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1460 retval = octave_wait::coredump (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1461 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1462 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1463 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1464
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1465 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1466 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1467
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1468 DEFUNX ("WIFSTOPPED", FWIFSTOPPED, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1469 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1470 @deftypefn {Built-in Function} {} WIFSTOPPED (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1471 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1472 true if the child process was stopped by delivery of a signal.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1473 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1474 This is only possible if the call was done using @code{WUNTRACED} or when\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1475 the child is being traced (see ptrace(2)).\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1476 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WSTOPSIG, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1477 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1478 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1479 octave_value retval = false;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1480
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1481 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1482 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1483 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	1484
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1485 retval = octave_wait::ifstopped (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1486 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1487 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1488 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1489
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1490 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1491 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1492
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1493 DEFUNX ("WSTOPSIG", FWSTOPSIG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1494 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1495 @deftypefn {Built-in Function} {} WSTOPSIG (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1496 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1497 the number of the signal which caused the child to stop.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1498 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1499 This function should only be employed if @code{WIFSTOPPED} returned true.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1500 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WIFCONTINUED}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1501 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1502 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1503 octave_value retval = 0;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1504
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1505 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1506 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1507 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	1508
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1509 retval = octave_wait::stopsig (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1510 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1511 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1512 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1513
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1514 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1515 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1516
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1517 DEFUNX ("WIFCONTINUED", FWIFCONTINUED, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1518 "-- texinfo --\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1519 @deftypefn {Built-in Function} {} WIFCONTINUED (@var{status})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1520 Given @var{status} from a call to @code{waitpid}, return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1521 true if the child process was resumed by delivery of @code{SIGCONT}.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1522 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG}\n\
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1523 @end deftypefn")
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1524 {
15221 a83b7b2f95ee avoid C-style cast warnings from GCC for wait-related macros John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1525 octave_value retval = false;
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1526
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1527 if (args.length () == 1)
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1528 {
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1529 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	1530
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1531 retval = octave_wait::ifcontinued (status);
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1532 }
20704 571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1533 else
571508c1ed06 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1534 print_usage ();
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1535
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1536 return retval;
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1537 }
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1538
10249 14eba566f9f0 use DEFUNX instead of DEFUN for canonicalize_file_name John W. Eaton <jwe@octave.org> parents: 10197 diff changeset	1539 DEFUNX ("canonicalize_file_name", Fcanonicalize_file_name, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1540 "-- texinfo --\n\
14819 67b6b47a22f6 doc: Clarify docstrings for canonicalize_file_name, make_absolute_filename Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	1541 @deftypefn {Built-in Function} {[@var{cname}, @var{status}, @var{msg}] =} canonicalize_file_name (@var{fname})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1542 Return the canonical name of file @var{fname}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1543 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1544 If the file does not exist the empty string (\"\") is returned.\n\
14819 67b6b47a22f6 doc: Clarify docstrings for canonicalize_file_name, make_absolute_filename Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	1545 @seealso{make_absolute_filename, is_absolute_filename, is_rooted_relative_filename}\n\
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1546 @end deftypefn")
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1547 {
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1548 octave_value_list retval;
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1549
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1550 if (args.length () == 1)
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1551 {
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	1552 std::string name = args(0).xstring_value ("canonicalize_file_name: NAME must be a string");
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1553 std::string msg;
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1554
20581 fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1555 std::string result = octave_canonicalize_file_name (name, msg);
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1556
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1557 retval(2) = msg;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1558 retval(1) = msg.empty () ? 0 : -1;
fd0efcdb3718 use new string_value method to handle value extraction errors John W. Eaton <jwe@octave.org> parents: 20560 diff changeset	1559 retval(0) = result;
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1560 }
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1561 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1562 print_usage ();
5138 5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1563
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1564 return retval;
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1565 }
5fa9670b5956 [project @ 2005-02-09 23:13:03 by jwe] jwe parents: 5040 diff changeset	1566
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1567 static octave_value
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1568 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	1569 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1570 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1571
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1572 int nargin = args.length ();
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1573
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1574 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1575 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1576 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1577 print_usage ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1578
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1579 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1580 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1581
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20764 diff changeset	1582 #if ! defined (O_NONBLOCK) && defined (O_NDELAY)
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1583 #define O_NONBLOCK O_NDELAY
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1584 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1585
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1586 DEFUNX ("F_DUPFD", FF_DUPFD, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1587 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1588 @deftypefn {Built-in Function} {} F_DUPFD ()\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1589 Return the numerical value to pass to @code{fcntl} to return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1590 a duplicate file descriptor.\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1591 @seealso{fcntl, F_GETFD, F_GETFL, F_SETFD, F_SETFL}\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1592 @end deftypefn")
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1593 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1594 #if defined (F_DUPFD)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1595 return const_value (args, F_DUPFD);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1596 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1597 error ("F_DUPFD: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1598 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1599 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1600 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1601
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1602 DEFUNX ("F_GETFD", FF_GETFD, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1603 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1604 @deftypefn {Built-in Function} {} F_GETFD ()\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1605 Return the numerical value to pass to @code{fcntl} to return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1606 the file descriptor flags.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1607 @seealso{fcntl, F_DUPFD, F_GETFL, F_SETFD, F_SETFL}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1608 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1609 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1610 #if defined (F_GETFD)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1611 return const_value (args, F_GETFD);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1612 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1613 error ("F_GETFD: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1614 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1615 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1616 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1617
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1618 DEFUNX ("F_GETFL", FF_GETFL, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1619 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1620 @deftypefn {Built-in Function} {} F_GETFL ()\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1621 Return the numerical value to pass to @code{fcntl} to return\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1622 the file status flags.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1623 @seealso{fcntl, F_DUPFD, F_GETFD, F_SETFD, F_SETFL}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1624 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1625 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1626 #if defined (F_GETFL)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1627 return const_value (args, F_GETFL);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1628 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1629 error ("F_GETFL: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1630 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1631 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1632 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1633
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1634 DEFUNX ("F_SETFD", FF_SETFD, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1635 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1636 @deftypefn {Built-in Function} {} F_SETFD ()\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1637 Return the numerical value to pass to @code{fcntl} to set the file\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1638 descriptor flags.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1639 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFL}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1640 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1641 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1642 #if defined (F_SETFD)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1643 return const_value (args, F_SETFD);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1644 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1645 error ("F_SETFD: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1646 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1647 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1648 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1649
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1650 DEFUNX ("F_SETFL", FF_SETFL, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1651 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1652 @deftypefn {Built-in Function} {} F_SETFL ()\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1653 Return the numerical value to pass to @code{fcntl} to set the file\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1654 status flags.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1655 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFD}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1656 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1657 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1658 #if defined (F_SETFL)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1659 return const_value (args, F_SETFL);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1660 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1661 error ("F_SETFL: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1662 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1663 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1664 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1665
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1666 DEFUNX ("O_APPEND", FO_APPEND, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1667 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1668 @deftypefn {Built-in Function} {} O_APPEND ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1669 Return the numerical value of the file status flag that may be\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1670 returned by @code{fcntl} to indicate each write operation appends,\n\
11152 39ae406df598 Improve docstrings for functions found in undocumented list. Rik <octave@nomad.inbox5.com> parents: 11006 diff changeset	1671 or that may be passed to @code{fcntl} to set the write mode to append.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1672 @seealso{fcntl, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1673 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1674 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1675 #if defined (O_APPEND)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1676 return const_value (args, O_APPEND);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1677 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1678 error ("O_APPEND: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1679 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1680 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1681 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1682
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1683 DEFUNX ("O_ASYNC", FO_ASYNC, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1684 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1685 @deftypefn {Built-in Function} {} O_ASYNC ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1686 Return the numerical value of the file status flag that may be\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1687 returned by @code{fcntl} to indicate asynchronous I/O.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1688 @seealso{fcntl, O_APPEND, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1689 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1690 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1691 #if defined (O_ASYNC)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1692 return const_value (args, O_ASYNC);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1693 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1694 error ("O_ASYNC: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1695 return octave_value ();
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1696 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1697 }
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1698
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1699 DEFUNX ("O_CREAT", FO_CREAT, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1700 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1701 @deftypefn {Built-in Function} {} O_CREAT ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1702 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1703 returned by @code{fcntl} to indicate that a file should be created if it\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1704 does not exist.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1705 @seealso{fcntl, O_APPEND, O_ASYNC, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1706 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1707 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1708 #if defined (O_CREAT)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1709 return const_value (args, O_CREAT);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1710 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1711 error ("O_CREAT: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1712 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1713 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1714 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1715
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1716 DEFUNX ("O_EXCL", FO_EXCL, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1717 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1718 @deftypefn {Built-in Function} {} O_EXCL ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1719 Return the numerical value of the file status flag that may be\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1720 returned by @code{fcntl} to indicate that file locking is used.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1721 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1722 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1723 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1724 #if defined (O_EXCL)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1725 return const_value (args, O_EXCL);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1726 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1727 error ("O_EXCL: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1728 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1729 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1730 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1731
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1732 DEFUNX ("O_NONBLOCK", FO_NONBLOCK, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1733 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1734 @deftypefn {Built-in Function} {} O_NONBLOCK ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1735 Return the numerical value of the file status flag that may be\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1736 returned by @code{fcntl} to indicate that non-blocking I/O is in use,\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1737 or that may be passsed to @code{fcntl} to set non-blocking I/O.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1738 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1739 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1740 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1741 #if defined (O_NONBLOCK)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1742 return const_value (args, O_NONBLOCK);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1743 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1744 error ("O_NONBLOCK: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1745 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1746 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1747 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1748
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1749 DEFUNX ("O_RDONLY", FO_RDONLY, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1750 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1751 @deftypefn {Built-in Function} {} O_RDONLY ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1752 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1753 returned by @code{fcntl} to indicate that a file is open for reading only.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1754 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1755 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1756 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1757 #if defined (O_RDONLY)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1758 return const_value (args, O_RDONLY);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1759 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1760 error ("O_RDONLY: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1761 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1762 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1763 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1764
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1765 DEFUNX ("O_RDWR", FO_RDWR, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1766 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1767 @deftypefn {Built-in Function} {} O_RDWR ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1768 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1769 returned by @code{fcntl} to indicate that a file is open for both reading\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1770 and writing.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1771 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_SYNC, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1772 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1773 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1774 #if defined (O_RDWR)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1775 return const_value (args, O_RDWR);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1776 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1777 error ("O_RDWR: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1778 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1779 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1780 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1781
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1782 DEFUNX ("O_SYNC", FO_SYNC, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1783 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1784 @deftypefn {Built-in Function} {} O_SYNC ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1785 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1786 returned by @code{fcntl} to indicate that a file is open for synchronous I/O.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1787 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1788 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1789 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1790 #if defined (O_SYNC)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1791 return const_value (args, O_SYNC);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1792 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1793 error ("O_SYNC: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1794 return octave_value ();
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1795 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1796 }
2669 c821858188b6 [project @ 1997-02-13 18:25:39 by jwe] jwe parents: 2475 diff changeset	1797
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1798 DEFUNX ("O_TRUNC", FO_TRUNC, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1799 "-- texinfo --\n\
19152 0f9c5a15c8fa doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 19109 diff changeset	1800 @deftypefn {Built-in Function} {} O_TRUNC ()\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1801 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1802 returned by @code{fcntl} to indicate that if file exists, it should be\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1803 truncated when writing.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1804 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_WRONLY}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1805 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1806 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1807 #if defined (O_TRUNC)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1808 return const_value (args, O_TRUNC);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1809 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1810 error ("O_TRUNC: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1811 return octave_value ();
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1812 #endif
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1813 }
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1814
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1815 DEFUNX ("O_WRONLY", FO_WRONLY, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1816 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1817 @deftypefn {Built-in Function} {} O_WRONLY ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1818 Return the numerical value of the file status flag that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1819 returned by @code{fcntl} to indicate that a file is open for writing only.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5307 diff changeset	1820 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1821 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1822 {
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1823 #if defined (O_WRONLY)
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1824 return const_value (args, O_WRONLY);
14111 c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1825 #else
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1826 error ("O_WRONLY: not available on this system");
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1827 return octave_value ();
c5222658dc3c doc: Build documentation for functions even when they are unavailable Rik <octave@nomad.inbox5.com> parents: 14022 diff changeset	1828 #endif
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1829 }
3446 5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe] jwe parents: 3360 diff changeset	1830
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20764 diff changeset	1831 #if ! defined (WNOHANG)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1832 #define WNOHANG 0
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1833 #endif
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1834
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1835 DEFUNX ("WNOHANG", FWNOHANG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1836 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1837 @deftypefn {Built-in Function} {} WNOHANG ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1838 Return the numerical value of the option argument that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1839 passed to @code{waitpid} to indicate that it should return its status\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1840 immediately instead of waiting for a process to exit.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1841 @seealso{waitpid, WUNTRACED, WCONTINUE}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1842 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1843 {
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1844 return const_value (args, WNOHANG);
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1845 }
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1846
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20764 diff changeset	1847 #if ! defined (WUNTRACED)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1848 #define WUNTRACED 0
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1849 #endif
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1850
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1851 DEFUNX ("WUNTRACED", FWUNTRACED, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1852 "-- texinfo --\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1853 @deftypefn {Built-in Function} {} WUNTRACED ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1854 Return the numerical value of the option argument that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1855 passed to @code{waitpid} to indicate that it should also return if the child\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1856 process has stopped but is not traced via the @code{ptrace} system call\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1857 @seealso{waitpid, WNOHANG, WCONTINUE}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1858 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1859 {
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1860 return const_value (args, WUNTRACED);
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1861 }
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1862
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20764 diff changeset	1863 #if ! defined (WCONTINUE)
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1864 #define WCONTINUE 0
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1865 #endif
89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1866
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1867 DEFUNX ("WCONTINUE", FWCONTINUE, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1868 "-- texinfo --\n\
9724 f22bbc5d56e9 Fix various incorrect usages of TeXinfo deffn and deftypefn macros Rik <rdrider0-list@yahoo.com> parents: 9564 diff changeset	1869 @deftypefn {Built-in Function} {} WCONTINUE ()\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1870 Return the numerical value of the option argument that may be\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1871 passed to @code{waitpid} to indicate that it should also return if a stopped\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	1872 child has been resumed by delivery of a @code{SIGCONT} signal.\n\
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5333 diff changeset	1873 @seealso{waitpid, WNOHANG, WUNTRACED}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1874 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5656 diff changeset	1875 {
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7096 diff changeset	1876 return const_value (args, WCONTINUE);
2075 ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe] jwe parents: diff changeset	1877 }
19109 e90bfaadb489 doc: Increase seealso links between low level C IO functions. Rik <rik@octave.org> parents: 18112 diff changeset	1878

Mercurial > octave

annotate libinterp/corefcn/syscalls.cc @ 20800:fb128aafc322