1/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <sys/wait.h>
19#include <errno.h>
20#include <sys/resource.h>
21#include <stddef.h>
22#include <sysdep-cancel.h>
23
24/* Wait for a child to die. When one does, put its status in *STAT_LOC
25 and return its process ID. For errors, return (pid_t) -1. */
26pid_t
27__libc_wait (int *stat_loc)
28{
29 pid_t result = SYSCALL_CANCEL (wait4, WAIT_ANY, stat_loc, 0,
30 (struct rusage *) NULL);
31 return result;
32}
33
34weak_alias (__libc_wait, __wait)
35weak_alias (__libc_wait, wait)
36