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 25int 26WRAP(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} 37DEF_WRAP(sigprocmask); 38