src/lib/libc/sys/w_sigsuspend.c

41 lines
1.2 KiB
C

/* $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);