Mercurial > octave
view liboctave/system/oct-syscalls.cc @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 06 Feb 2016 06:40:13 -0800 |
parents | 7cac4e7458f2 |
children | f7d1050b9b53 |
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/* Copyright (C) 1996-2015 John W. Eaton 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 <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <cerrno> #include <cstdlib> #include <string.h> #include <sys/types.h> #include <unistd.h> #include <fcntl.h> // We can't use csignal as kill is not in the std namespace, and picky // compiler runtimes will also exclude it from global scope as well. #include <signal.h> #include "lo-utils.h" #include "lo-sysdep.h" #include "oct-syscalls.h" #include "str-vec.h" #define NOT_SUPPORTED(nm) \ nm ": not supported on this system" int octave_syscalls::dup2 (int old_fd, int new_fd) { std::string msg; return dup2 (old_fd, new_fd, msg); } int octave_syscalls::dup2 (int old_fd, int new_fd, std::string& msg) { msg = ""; int status = -1; #if defined (HAVE_DUP2) status = gnulib::dup2 (old_fd, new_fd); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("dup2"); #endif return status; } int octave_syscalls::execvp (const std::string& file, const string_vector& argv) { std::string msg; return execvp (file, argv, msg); } int octave_syscalls::execvp (const std::string& file, const string_vector& args, std::string& msg) { msg = ""; int status = -1; #if defined (HAVE_EXECVP) char **argv = args.c_str_vec (); status = ::execvp (file.c_str (), argv); string_vector::delete_c_str_vec (argv); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("execvp"); #endif return status; } pid_t octave_syscalls::fork (std::string& msg) { pid_t status = -1; #if defined (HAVE_FORK) status = ::fork (); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("fork"); #endif return status; } pid_t octave_syscalls::vfork (std::string& msg) { pid_t status = -1; #if defined (HAVE_VFORK) || defined (HAVE_FORK) # if defined (HAVE_VFORK) status = ::vfork (); #else status = ::fork (); #endif if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("vfork"); #endif return status; } pid_t octave_syscalls::getpgrp (std::string& msg) { pid_t status = -1; #if defined (HAVE_GETPGRP) status = ::getpgrp (); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("getpgrp"); #endif return status; } pid_t octave_syscalls::getpid (void) { #if defined (HAVE_GETPID) return ::getpid (); #else return 0; #endif } pid_t octave_syscalls::getppid (void) { #if defined (HAVE_GETPPID) return ::getppid (); #else return 0; #endif } gid_t octave_syscalls::getgid (void) { #if defined (HAVE_GETGID) return ::getgid (); #else return 0; #endif } gid_t octave_syscalls::getegid (void) { #if defined (HAVE_GETEGID) return ::getegid (); #else return 0; #endif } uid_t octave_syscalls::getuid (void) { #if defined (HAVE_GETUID) return ::getuid (); #else return 0; #endif } uid_t octave_syscalls::geteuid (void) { #if defined (HAVE_GETEUID) return ::geteuid (); #else return 0; #endif } int octave_syscalls::pipe (int *fildes) { std::string msg; return pipe (fildes, msg); } int octave_syscalls::pipe (int *fildes, std::string& msg) { msg = ""; int status = -1; #if defined (HAVE_PIPE) status = ::pipe (fildes); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("pipe"); #endif return status; } pid_t octave_syscalls::waitpid (pid_t pid, int *status, int options) { std::string msg; return waitpid (pid, status, options, msg); } pid_t octave_syscalls::waitpid (pid_t pid, int *status, int options, std::string& msg) { pid_t retval = -1; msg = ""; #if defined (HAVE_WAITPID) retval = ::octave_waitpid (pid, status, options); if (retval < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("waitpid"); #endif return retval; } int octave_syscalls::kill (pid_t pid, int sig) { std::string msg; return kill (pid, sig, msg); } int octave_syscalls::kill (pid_t pid, int sig, std::string& msg) { msg = ""; int status = -1; #if defined (HAVE_KILL) status = ::kill (pid, sig); if (status < 0) msg = gnulib::strerror (errno); #else msg = NOT_SUPPORTED ("kill"); #endif return status; } pid_t octave_syscalls::popen2 (const std::string& cmd, const string_vector& args, bool sync_mode, int *fildes) { std::string msg; bool interactive = false; return popen2 (cmd, args, sync_mode, fildes, msg, interactive); } pid_t octave_syscalls::popen2 (const std::string& cmd, const string_vector& args, bool sync_mode, int *fildes, std::string& msg) { bool interactive = false; return popen2 (cmd, args, sync_mode, fildes, msg, interactive); } pid_t octave_syscalls::popen2 (const std::string& cmd, const string_vector& args, bool sync_mode, int *fildes, std::string& msg, bool &interactive) { #if defined (__WIN32__) && ! defined (__CYGWIN__) return ::octave_popen2 (cmd, args, sync_mode, fildes, msg); #else pid_t pid; int child_stdin[2], child_stdout[2]; if (pipe (child_stdin, msg) == 0) { if (pipe (child_stdout, msg) == 0) { pid = fork (msg); if (pid < 0) msg = "popen2: process creation failed -- " + msg; else if (pid == 0) { std::string child_msg; interactive = false; // Child process gnulib::close (child_stdin[1]); gnulib::close (child_stdout[0]); if (dup2 (child_stdin[0], STDIN_FILENO) >= 0) { gnulib::close (child_stdin[0]); if (dup2 (child_stdout[1], STDOUT_FILENO) >= 0) { gnulib::close (child_stdout[1]); if (execvp (cmd, args, child_msg) < 0) child_msg = "popen2 (child): unable to start process -- " + child_msg; } else child_msg = "popen2 (child): file handle duplication failed -- " + child_msg; } else child_msg = "popen2 (child): file handle duplication failed -- " + child_msg; (*current_liboctave_error_handler) (child_msg.c_str ()); exit (0); } else { // Parent process gnulib::close (child_stdin[0]); gnulib::close (child_stdout[1]); #if defined (F_SETFL) && defined (O_NONBLOCK) if (! sync_mode && octave_fcntl (child_stdout[0], F_SETFL, O_NONBLOCK, msg) < 0) msg = "popen2: error setting file mode -- " + msg; else #endif { fildes[0] = child_stdin[1]; fildes[1] = child_stdout[0]; return pid; } } gnulib::close (child_stdout[0]); gnulib::close (child_stdout[1]); } else msg = "popen2: pipe creation failed -- " + msg; gnulib::close (child_stdin[0]); gnulib::close (child_stdin[1]); } else msg = "popen2: pipe creation failed -- " + msg; return -1; #endif } int octave_fcntl (int fd, int cmd, long arg) { std::string msg; return octave_fcntl (fd, cmd, arg, msg); } int octave_fcntl (int fd, int cmd, long arg, std::string& msg) { msg = ""; int status = -1; status = gnulib::fcntl (fd, cmd, arg); if (status < 0) msg = gnulib::strerror (errno); return status; }