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/* $OpenBSD: w_wait4.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */
/*
* Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/wait.h>
#include "cancel.h"
int
wait4(pid_t wpid, int *status, int options, struct rusage *rusage)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(wait4)(wpid, status, options, rusage);
LEAVE_CANCEL_POINT(ret <= 0);
return (ret);
}
DEF_CANCEL(wait4);
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