1/*	$OpenBSD: w_sigsuspend.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */
2/*
3 * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <signal.h>
19#include <errno.h>
20#include "cancel.h"
21
22int
23sigsuspend(const sigset_t *set)
24{
25	sigset_t s;
26	int ret;
27
28	if (sigismember(set, SIGTHR)) {
29		s = *set;
30		sigdelset(&s, SIGTHR);
31		set = &s;
32	}
33
34	ENTER_CANCEL_POINT(1);
35	ret = HIDDEN(sigsuspend)(set);
36	LEAVE_CANCEL_POINT(1);
37
38	return (ret);
39}
40DEF_CANCEL(sigsuspend);
41