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/* Copyright (C) 1991-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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.
The GNU C 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sysdep-cancel.h>
#include <stdlib.h>
#include <sys/wait.h>
__pid_t
__libc_waitpid (__pid_t pid, int *stat_loc, int options)
{
if (SINGLE_THREAD_P)
{
#ifdef __NR_waitpid
return INLINE_SYSCALL (waitpid, 3, pid, stat_loc, options);
#else
return INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL);
#endif
}
int oldtype = LIBC_CANCEL_ASYNC ();
#ifdef __NR_waitpid
int result = INLINE_SYSCALL (waitpid, 3, pid, stat_loc, options);
#else
int result = INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL);
#endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_waitpid, __waitpid)
libc_hidden_weak (__waitpid)
weak_alias (__libc_waitpid, waitpid)
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