4 * Copyright 2003 Dimitrie O. Paun
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
27 #ifdef HAVE_SYS_WAIT_H
36 int spawnvp(int mode, const char *cmdname, const char *const argv[])
39 int pid = 0, status, wret;
40 struct sigaction dfl_act, old_act;
42 if (mode == _P_OVERLAY)
44 execvp(cmdname, (char **)argv);
45 /* if we get here it failed */
46 if (errno != ENOTSUP) return -1; /* exec fails on MacOS if the process has multiple threads */
49 dfl_act.sa_handler = SIG_DFL;
51 sigemptyset( &dfl_act.sa_mask );
53 if (mode == _P_WAIT) sigaction( SIGCHLD, &dfl_act, &old_act );
58 sigaction( SIGPIPE, &dfl_act, NULL );
59 execvp(cmdname, (char **)argv);
63 if (pid != -1 && mode == _P_OVERLAY) exit(0);
65 if (pid != -1 && mode == _P_WAIT)
67 while (pid != (wret = waitpid(pid, &status, 0)))
68 if (wret == -1 && errno != EINTR) break;
70 if (pid == wret && WIFEXITED(status)) pid = WEXITSTATUS(status);
71 else pid = 255; /* abnormal exit with an abort or an interrupt */
74 if (mode == _P_WAIT) sigaction( SIGCHLD, &old_act, NULL );
76 #else /* HAVE__SPAWNVP */
77 return _spawnvp(mode, cmdname, argv);
78 #endif /* HAVE__SPAWNVP */
80 #endif /* HAVE_SPAWNVP */