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