mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 06:20:06 +00:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Copyright (C) 1991-2014 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)
|