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/*
* Copyright (C) 2006 Steven J. Hill <sjhill@realitydiluted.com>
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <stdlib.h>
#include <syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/resource.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. */
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
#include <errno.h>
#include <sysdep-cancel.h>
pid_t attribute_hidden
__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;
}
#else
/* 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)
{
return wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL);
}
#endif
weak_alias(__libc_wait,wait)
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