Mercurial > octave
view libinterp/corefcn/oct-procbuf.cc @ 29654:d13d090cb03a stable
use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
Files affected: make_int.cc, file-editor-tab.cc, octave-qscintilla.cc,
Cell.cc, Cell.h, call-stack.cc, call-stack.h, cellfun.cc, data.cc,
debug.cc, dlmread.cc, error.cc, event-queue.h, fcn-info.cc,
fcn-info.h, file-io.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, help.cc, hex2num.cc, input.cc,
latex-text-renderer.cc, load-path.cc, load-save.cc, load-save.h,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-oct-text.cc, mex.cc,
mexproto.h, mxarray.h, oct-map.cc, oct-stream.cc, oct-stream.h,
pager.cc, pager.h, pr-output.cc, regexp.cc, settings.h,
stack-frame.cc, stack-frame.h, strfns.cc, syminfo.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, sysdep.cc, toplev.cc, utils.cc,
utils.h, variables.cc, __fltk_uigetfile__.cc, __init_fltk__.cc,
audioread.cc, gzip.cc, cdef-class.cc, cdef-manager.cc, cdef-method.cc,
cdef-object.cc, cdef-object.h, ov-base-diag.cc, ov-base-diag.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.h, ov-base.cc, ov-base.h, ov-cell.cc, ov-cell.h,
ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-fcn-handle.cc, ov-java.cc, ov-lazy-idx.h, ov-perm.cc, ov-perm.h,
ov-range.h, ov-str-mat.cc, ov-struct.cc, ov-struct.h, ov-usr-fcn.cc,
ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, octave.cc, bp-table.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.h, lex.h, lex.ll,
oct-lvalue.cc, oct-parse.yy, parse.h, profiler.h, pt-eval.cc,
pt-eval.h, pt-jit.cc, pt-jit.h, pt-pr-code.cc, pt-tm-const.cc,
pt-tm-const.h, Array.h, CMatrix.cc, DiagArray2.h, PermMatrix.h,
Sparse.h, dMatrix.cc, fCMatrix.cc, fMatrix.cc, bsxfun-defs.cc,
oct-fftw.cc, oct-fftw.h, randpoisson.cc, sparse-chol.cc,
mx-inlines.cc, file-ops.cc, lo-sysdep.cc, oct-env.cc, oct-time.cc,
action-container.cc, action-container.h, base-list.h, caseless-str.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, data-conv.h, f77-fcn.h,
file-info.cc, file-info.h, kpse.cc, kpse.h, lo-cutils.h, lo-hash.h,
lo-regexp.cc, oct-base64.cc, oct-base64.h, oct-binmap.h, oct-glob.cc,
oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sparse.h, oct-string.cc,
quit.cc, unwind-prot.h, url-transfer.cc, main.in.cc, mkoctfile.in.cc,
and shared-fcns.h.
(grafted from aef11bb4e6d1f303ad9de5688fcb7244ef48867e)
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 28 Apr 2021 22:57:42 -0400 |
parents | 0a5b15007766 |
children | 3988112c7116 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2021 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cerrno> #include <iomanip> // FIXME: we would prefer to avoid including these directly in Octave // sources, but eliminating them is complicated by the mingling of // octave_procbuf_list and the calls to system library functions like // execl. #if defined (HAVE_UNISTD_H) # if defined (HAVE_SYS_TYPES_H) # include <sys/types.h> # endif # include <unistd.h> #endif #include "lo-mappers.h" #include "lo-utils.h" #include "oct-procbuf.h" #include "oct-syscalls.h" #include "sysdep.h" #include "unistd-wrappers.h" #include "variables.h" #include "defun.h" #include "errwarn.h" #include "utils.h" #if ! defined (SHELL_PATH) # define SHELL_PATH "/bin/sh" #endif // This class is based on the procbuf class from libg++, written by // Per Bothner, Copyright (C) 1993 Free Software Foundation. #if (! (defined (__CYGWIN__) || defined (__MINGW32__) || defined (_MSC_VER)) \ && defined (HAVE_UNISTD_H)) static octave_procbuf *octave_procbuf_list = nullptr; #endif #if ! defined (BUFSIZ) # define BUFSIZ 1024 #endif octave_procbuf * octave_procbuf::open (const char *command, int mode) { #if defined (__CYGWIN__) || defined (__MINGW32__) || defined (_MSC_VER) if (is_open ()) return 0; f = (octave::popen (command, (mode & std::ios::in) ? "r" : "w")); if (! f) return 0; // Oops... popen doesn't return the associated pid, so fake it for now proc_pid = 1; open_p = true; if (mode & std::ios::out) ::setvbuf (f, nullptr, _IOLBF, BUFSIZ); return this; #elif defined (HAVE_UNISTD_H) int pipe_fds[2]; volatile int child_std_end = (mode & std::ios::in) ? 1 : 0; volatile int parent_end, child_end; if (is_open ()) return nullptr; if (octave::sys::pipe (pipe_fds) < 0) return nullptr; if (mode & std::ios::in) { parent_end = pipe_fds[0]; child_end = pipe_fds[1]; } else { parent_end = pipe_fds[1]; child_end = pipe_fds[0]; } proc_pid = ::fork (); if (proc_pid == 0) { octave_close_wrapper (parent_end); if (child_end != child_std_end) { octave_dup2_wrapper (child_end, child_std_end); octave_close_wrapper (child_end); } while (octave_procbuf_list) { FILE *fp = octave_procbuf_list->f; if (fp) { std::fclose (fp); fp = nullptr; } octave_procbuf_list = octave_procbuf_list->next; } execl (SHELL_PATH, "sh", "-c", command, static_cast<void *> (nullptr)); exit (127); } octave_close_wrapper (child_end); if (proc_pid < 0) { octave_close_wrapper (parent_end); return nullptr; } f = (::fdopen (parent_end, (mode & std::ios::in) ? "r" : "w")); if (mode & std::ios::out) ::setvbuf (f, nullptr, _IOLBF, BUFSIZ); open_p = true; next = octave_procbuf_list; octave_procbuf_list = this; return this; #else return 0; #endif } octave_procbuf * octave_procbuf::close (void) { #if defined (__CYGWIN__) || defined (__MINGW32__) || defined (_MSC_VER) if (f) { wstatus = octave::pclose (f); f = 0; } open_p = false; return this; #elif defined (HAVE_UNISTD_H) if (f) { pid_t wait_pid; int status = -1; for (octave_procbuf **ptr = &octave_procbuf_list; *ptr != nullptr; ptr = &(*ptr)->next) { if (*ptr == this) { *ptr = (*ptr)->next; status = 0; break; } } if (status == 0 && std::fclose (f) == 0) { using namespace std; do { wait_pid = octave::sys::waitpid (proc_pid, &wstatus, 0); } while (wait_pid == -1 && errno == EINTR); } f = nullptr; } open_p = false; return this; #else return 0; #endif }