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. */ |
26 | pid_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 | |
34 | weak_alias (__libc_wait, __wait) |
35 | weak_alias (__libc_wait, wait) |
36 | |