mirror of
https://github.com/reactos/wine.git
synced 2024-11-28 14:10:32 +00:00
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
|
|
* spawnvp function
|
|
*
|
|
* Copyright 2003 Dimitrie O. Paun
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#ifdef HAVE_SYS_WAIT_H
|
|
#include <sys/wait.h>
|
|
#endif
|
|
#include <sys/stat.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#ifndef HAVE_SPAWNVP
|
|
int spawnvp(int mode, const char *cmdname, const char *const argv[])
|
|
{
|
|
#ifndef HAVE__SPAWNVP
|
|
int pid = 0, status, wret;
|
|
struct sigaction dfl_act, old_act;
|
|
|
|
if (mode == _P_OVERLAY)
|
|
{
|
|
execvp(cmdname, (char **)argv);
|
|
return -1; /* if we get here it failed */
|
|
}
|
|
|
|
dfl_act.sa_handler = SIG_DFL;
|
|
dfl_act.sa_flags = 0;
|
|
sigemptyset( &dfl_act.sa_mask );
|
|
|
|
if (mode == _P_WAIT) sigaction( SIGCHLD, &dfl_act, &old_act );
|
|
|
|
pid = fork();
|
|
if (pid == 0)
|
|
{
|
|
sigaction( SIGPIPE, &dfl_act, NULL );
|
|
execvp(cmdname, (char **)argv);
|
|
_exit(1);
|
|
}
|
|
|
|
if (pid != -1 && mode == _P_WAIT)
|
|
{
|
|
while (pid != (wret = waitpid(pid, &status, 0)))
|
|
if (wret == -1 && errno != EINTR) break;
|
|
|
|
if (pid == wret && WIFEXITED(status)) pid = WEXITSTATUS(status);
|
|
else pid = 255; /* abnormal exit with an abort or an interrupt */
|
|
}
|
|
|
|
if (mode == _P_WAIT) sigaction( SIGCHLD, &old_act, NULL );
|
|
return pid;
|
|
#else /* HAVE__SPAWNVP */
|
|
return _spawnvp(mode, cmdname, argv);
|
|
#endif /* HAVE__SPAWNVP */
|
|
}
|
|
#endif /* HAVE_SPAWNVP */
|