/*      $OpenBSD: w_sigsuspend.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 <signal.h>
#include <errno.h>
#include "cancel.h"

int
sigsuspend(const sigset_t *set)
{
        sigset_t s;
        int ret;

        if (sigismember(set, SIGTHR)) {
                s = *set;
                sigdelset(&s, SIGTHR);
                set = &s;
        }

        ENTER_CANCEL_POINT(1);
        ret = HIDDEN(sigsuspend)(set);
        LEAVE_CANCEL_POINT(1);

        return (ret);
}
DEF_CANCEL(sigsuspend);