Mercurial > octave
annotate libinterp/corefcn/oct-procbuf.cc @ 21200:fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
* builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc,
__ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc,
balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc,
c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc,
defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc,
errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc,
find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc,
givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc,
hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc,
jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc,
lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc,
ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc,
mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc,
oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc,
octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc,
profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc,
tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc,
utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc,
symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, pt-arg-list.cc,
pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc,
pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc:
Indent #ifdef blocks in libinterp.
| author | Rik <rik@octave.org> |
|---|---|
| date | Fri, 05 Feb 2016 16:29:08 -0800 |
| parents | e39e05d90788 |
| children | 40de9f8f23a6 |
| rev | line source |
|---|---|
| 2094 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2094 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2094 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2094 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
|
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24 # include <config.h> |
| 2094 | 25 #endif |
| 26 | |
| 27 #include <cerrno> | |
| 28 | |
| 3503 | 29 #include <iostream> |
| 2094 | 30 |
| 31 #include <sys/types.h> | |
| 32 #include <unistd.h> | |
| 33 | |
| 3174 | 34 #include "lo-mappers.h" |
| 35 #include "lo-utils.h" | |
| 2094 | 36 #include "oct-procbuf.h" |
| 5453 | 37 #include "oct-syscalls.h" |
| 6726 | 38 #include "sysdep.h" |
| 3176 | 39 #include "variables.h" |
| 2094 | 40 |
| 3174 | 41 #include "defun.h" |
|
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42 #include "errwarn.h" |
| 3308 | 43 #include "utils.h" |
| 3174 | 44 |
|
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45 #ifndef SHELL_PATH |
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46 # define SHELL_PATH "/bin/sh" |
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47 #endif |
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48 |
| 2094 | 49 // This class is based on the procbuf class from libg++, written by |
| 50 // Per Bothner, Copyright (C) 1993 Free Software Foundation. | |
| 51 | |
| 52 static octave_procbuf *octave_procbuf_list = 0; | |
| 53 | |
| 6094 | 54 #ifndef BUFSIZ |
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55 # define BUFSIZ 1024 |
| 6094 | 56 #endif |
| 57 | |
| 2094 | 58 octave_procbuf * |
| 59 octave_procbuf::open (const char *command, int mode) | |
| 60 { | |
| 6096 | 61 #if defined (__CYGWIN__) || defined (__MINGW32__) || defined (_MSC_VER) |
| 4472 | 62 |
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63 if (is_open ()) |
| 4472 | 64 return 0; |
| 65 | |
| 6726 | 66 f = octave_popen (command, (mode & std::ios::in) ? "r" : "w"); |
| 4472 | 67 |
| 68 if (! f) | |
| 69 return 0; | |
| 70 | |
| 71 // Oops... popen doesn't return the associated pid, so fake it for now | |
| 72 | |
| 73 proc_pid = 1; | |
| 74 | |
| 75 open_p = true; | |
| 76 | |
| 77 if (mode & std::ios::out) | |
| 6094 | 78 ::setvbuf (f, 0, _IOLBF, BUFSIZ); |
| 4472 | 79 |
| 80 return this; | |
|
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81 |
| 4472 | 82 #elif defined (HAVE_SYS_WAIT_H) |
| 2094 | 83 |
| 84 int pipe_fds[2]; | |
| 85 | |
| 3544 | 86 volatile int child_std_end = (mode & std::ios::in) ? 1 : 0; |
| 3156 | 87 |
| 3147 | 88 volatile int parent_end, child_end; |
| 2094 | 89 |
| 90 if (is_open ()) | |
| 91 return 0; | |
| 92 | |
| 93 if (pipe (pipe_fds) < 0) | |
| 94 return 0; | |
| 95 | |
| 3544 | 96 if (mode & std::ios::in) |
| 2094 | 97 { |
| 98 parent_end = pipe_fds[0]; | |
| 99 child_end = pipe_fds[1]; | |
| 100 } | |
| 101 else | |
| 102 { | |
| 103 parent_end = pipe_fds[1]; | |
| 104 child_end = pipe_fds[0]; | |
| 105 } | |
| 106 | |
| 3156 | 107 proc_pid = ::fork (); |
| 2094 | 108 |
| 109 if (proc_pid == 0) | |
| 110 { | |
| 10411 | 111 gnulib::close (parent_end); |
| 2094 | 112 |
| 113 if (child_end != child_std_end) | |
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114 { |
| 10411 | 115 gnulib::dup2 (child_end, child_std_end); |
| 116 gnulib::close (child_end); | |
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117 } |
| 2094 | 118 |
| 119 while (octave_procbuf_list) | |
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120 { |
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121 FILE *fp = octave_procbuf_list->f; |
| 3644 | 122 |
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123 if (fp) |
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124 { |
| 10411 | 125 gnulib::fclose (fp); |
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126 fp = 0; |
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127 } |
| 3644 | 128 |
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129 octave_procbuf_list = octave_procbuf_list->next; |
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130 } |
| 2094 | 131 |
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132 execl (SHELL_PATH, "sh", "-c", command, static_cast<void *> (0)); |
| 2094 | 133 |
| 134 exit (127); | |
| 135 } | |
| 136 | |
| 10411 | 137 gnulib::close (child_end); |
| 2094 | 138 |
| 139 if (proc_pid < 0) | |
| 140 { | |
| 10411 | 141 gnulib::close (parent_end); |
| 2094 | 142 return 0; |
| 143 } | |
| 144 | |
| 3632 | 145 f = ::fdopen (parent_end, (mode & std::ios::in) ? "r" : "w"); |
| 3631 | 146 |
| 3649 | 147 if (mode & std::ios::out) |
| 6094 | 148 ::setvbuf (f, 0, _IOLBF, BUFSIZ); |
| 3649 | 149 |
| 3631 | 150 open_p = true; |
| 2094 | 151 |
| 152 next = octave_procbuf_list; | |
| 153 octave_procbuf_list = this; | |
| 154 | |
| 155 return this; | |
| 156 | |
| 157 #else | |
| 158 | |
| 159 return 0; | |
| 160 | |
| 161 #endif | |
| 162 } | |
| 163 | |
| 3631 | 164 octave_procbuf * |
| 165 octave_procbuf::close (void) | |
| 2094 | 166 { |
| 6096 | 167 #if defined (__CYGWIN__) || defined (__MINGW32__) || defined (_MSC_VER) |
| 4472 | 168 |
| 169 if (f) | |
| 170 { | |
| 6726 | 171 wstatus = octave_pclose (f); |
| 4472 | 172 f = 0; |
| 173 } | |
| 174 | |
| 175 open_p = false; | |
| 176 | |
| 177 return this; | |
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178 |
| 4472 | 179 #elif defined (HAVE_SYS_WAIT_H) |
| 2094 | 180 |
| 3644 | 181 if (f) |
| 182 { | |
| 183 pid_t wait_pid; | |
| 2094 | 184 |
| 3644 | 185 int status = -1; |
| 186 | |
| 187 for (octave_procbuf **ptr = &octave_procbuf_list; | |
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188 *ptr != 0; |
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189 ptr = &(*ptr)->next) |
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190 { |
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191 if (*ptr == this) |
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192 { |
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193 *ptr = (*ptr)->next; |
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194 status = 0; |
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195 break; |
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196 } |
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197 } |
| 2094 | 198 |
| 10411 | 199 if (status == 0 && gnulib::fclose (f) == 0) |
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200 { |
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201 using namespace std; |
| 3531 | 202 |
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203 do |
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204 { |
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205 wait_pid = octave_syscalls::waitpid (proc_pid, &wstatus, 0); |
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206 } |
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207 while (wait_pid == -1 && errno == EINTR); |
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208 } |
| 3644 | 209 |
| 210 f = 0; | |
| 3631 | 211 } |
| 2094 | 212 |
| 3631 | 213 open_p = false; |
| 2094 | 214 |
| 3631 | 215 return this; |
| 2094 | 216 |
| 217 #else | |
| 218 | |
| 3631 | 219 return 0; |
| 2094 | 220 |
| 221 #endif | |
| 222 } |