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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 <sys/wait.h>
#include <errno.h>
#include <sys/resource.h>
#include <stddef.h>
#include <sysdep-cancel.h>
/* Wait for a child to die. When one does, put its status in *STAT_LOC
and return its process ID. For errors, return (pid_t) -1. */
pid_t
__libc_wait (__WAIT_STATUS_DEFN stat_loc)
{
if (SINGLE_THREAD_P)
return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
(struct rusage *) NULL);
int oldtype = LIBC_CANCEL_ASYNC ();
pid_t result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
(struct rusage *) NULL);
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_wait, __wait)
weak_alias (__libc_wait, wait)
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