/* $OpenBSD: pause.c,v 1.2 2001/11/11 23:26:35 deraadt Exp $ */ /* * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors, * proven@mit.edu All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Chris Provenzano, * the University of California, Berkeley, and contributors. * 4. Neither the name of Chris Provenzano, the University, nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Test pause() */ #include #include #include #include #include "test.h" int gotsig = 0; void handler(sig) int sig; { int save_errno = errno; char buf[8192]; snprintf(buf, sizeof buf, "%s\n", strsignal(sig)); write(STDOUT_FILENO, buf, strlen(buf)); errno = save_errno; } int main() { sigset_t all; pid_t self; ASSERT(signal(SIGHUP, handler) != SIG_ERR); CHECKe(self = getpid()); CHECKe(sigemptyset(&all)); CHECKe(sigaddset(&all, SIGHUP)); CHECKe(sigprocmask(SIG_BLOCK, &all, NULL)); CHECKe(kill(self, SIGHUP)); CHECKe(pause()); SUCCEED; }