1 /* $OpenBSD: w_sigprocmask.c,v 1.1 2015/10/23 04:39:24 guenther Exp $ */
2 /*
3 * Copyright (c) 2005 Ted Unangst <tedu@openbsd.org>
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 /*
19 * signals
20 */
21
22 #include <signal.h>
23 #include <errno.h>
24
25 int
WRAP(sigprocmask)26 WRAP(sigprocmask)(int how, const sigset_t *set, sigset_t *oset)
27 {
28 sigset_t s;
29
30 if (set != NULL && how != SIG_UNBLOCK && sigismember(set, SIGTHR)) {
31 s = *set;
32 sigdelset(&s, SIGTHR);
33 set = &s;
34 }
35 return (sigprocmask(how, set, oset));
36 }
37 DEF_WRAP(sigprocmask);
38