1272343Sngie/* $NetBSD: t_siglongjmp.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */ 2272343Sngie 3272343Sngie/* 4272343Sngie * Copyright (c) 2008 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <sys/cdefs.h> 30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\ 31272343Sngie The NetBSD Foundation, inc. All rights reserved."); 32272343Sngie__RCSID("$NetBSD: t_siglongjmp.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $"); 33272343Sngie 34272343Sngie/* 35272343Sngie * Regression test for siglongjmp out of a signal handler back into 36272343Sngie * its thread. 37272343Sngie * 38272343Sngie * Written by Christian Limpach <cl@NetBSD.org>, December 2003. 39272343Sngie * Public domain. 40272343Sngie */ 41272343Sngie 42272343Sngie#include <sys/resource.h> 43272343Sngie 44272343Sngie#include <pthread.h> 45272343Sngie#include <setjmp.h> 46272343Sngie#include <signal.h> 47272343Sngie#include <unistd.h> 48272343Sngie 49272343Sngie#include <atf-c.h> 50272343Sngie 51272343Sngie#include "h_common.h" 52272343Sngie 53272343Sngiestatic sigjmp_buf env; 54272343Sngie 55272343Sngiestatic void * 56272343Sngiethread(void *arg) 57272343Sngie{ 58272343Sngie return NULL; 59272343Sngie} 60272343Sngie 61272343Sngiestatic void 62272343Sngiehandler(int sig, siginfo_t *info, void *ctx) 63272343Sngie{ 64272343Sngie siglongjmp(env, 1); 65272343Sngie} 66272343Sngie 67272343SngieATF_TC(siglongjmp1); 68272343SngieATF_TC_HEAD(siglongjmp1, tc) 69272343Sngie{ 70272343Sngie atf_tc_set_md_var(tc, "descr", 71272343Sngie "Checks siglongjmp() out of a signal handler back into its thread"); 72272343Sngie} 73272343SngieATF_TC_BODY(siglongjmp1, tc) 74272343Sngie{ 75272343Sngie pthread_t t; 76272343Sngie sigset_t nset; 77272343Sngie struct rlimit rlim; 78272343Sngie struct sigaction act; 79272343Sngie 80272343Sngie rlim.rlim_cur = rlim.rlim_max = 0; 81272343Sngie (void)setrlimit(RLIMIT_CORE, &rlim); 82272343Sngie 83272343Sngie PTHREAD_REQUIRE(pthread_create(&t, NULL, thread, NULL)); 84272343Sngie 85272343Sngie sigemptyset(&nset); 86272343Sngie sigaddset(&nset, SIGUSR1); 87272343Sngie PTHREAD_REQUIRE(pthread_sigmask(SIG_SETMASK, &nset, NULL)); 88272343Sngie 89272343Sngie act.sa_sigaction = handler; 90272343Sngie sigemptyset(&act.sa_mask); 91272343Sngie sigaddset(&act.sa_mask, SIGUSR2); 92272343Sngie act.sa_flags = 0; 93272343Sngie sigaction(SIGSEGV, &act, NULL); 94272343Sngie 95272343Sngie ATF_REQUIRE_EQ(sigsetjmp(env, 1), 0); 96272343Sngie 97272343Sngie PTHREAD_REQUIRE(pthread_sigmask(0, NULL, &nset)); 98272343Sngie 99272343Sngie ATF_REQUIRE_EQ_MSG(sigismember(&nset, SIGSEGV), 0, "SIGSEGV set"); 100272343Sngie ATF_REQUIRE_EQ_MSG(sigismember(&nset, SIGUSR2), 0, "SIGUSR2 set"); 101272343Sngie ATF_REQUIRE_MSG(sigismember(&nset, SIGUSR1), "SIGUSR1 not set"); 102272343Sngie} 103272343Sngie 104272343SngieATF_TP_ADD_TCS(tp) 105272343Sngie{ 106272343Sngie ATF_TP_ADD_TC(tp, siglongjmp1); 107272343Sngie 108272343Sngie return atf_no_error(); 109272343Sngie} 110