1 /* $NetBSD: t_sigalarm.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */ 2 3 /* 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __COPYRIGHT("@(#) Copyright (c) 2008\ 31 The NetBSD Foundation, inc. All rights reserved."); 32 __RCSID("$NetBSD: t_sigalarm.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $"); 33 34 #include <stdio.h> 35 #include <signal.h> 36 #include <unistd.h> 37 #include <pthread.h> 38 39 #include <atf-c.h> 40 41 #include "h_common.h" 42 43 int alarm_set; 44 45 #ifdef SA_SIGINFO 46 static void 47 alarm_handler(int signo, siginfo_t *si, void *ctx) 48 { 49 ATF_REQUIRE_EQ_MSG(si->si_signo, signo, "Received unexpected signal"); 50 alarm_set = 1; 51 } 52 #else 53 static void 54 alarm_handler(int signo) 55 { 56 ATF_REQUIRE_EQ_MSG(SIGALRM, signo, "Received unexpected signal"); 57 alarm_set = 1; 58 } 59 #endif 60 61 static void * 62 setup(void *dummy) 63 { 64 struct sigaction sa; 65 sigset_t ss; 66 #ifdef SA_SIGINFO 67 sa.sa_flags = SA_SIGINFO; 68 sa.sa_sigaction = alarm_handler; 69 #else 70 sa.sa_flags = 0; 71 sa.sa_handler = alarm_handler; 72 #endif 73 sigfillset(&ss); 74 sigprocmask(SIG_SETMASK, &ss, NULL); 75 sigemptyset(&sa.sa_mask); 76 sigaction(SIGALRM, &sa, NULL); 77 alarm(1); 78 79 return NULL; 80 } 81 82 ATF_TC(sigalarm); 83 ATF_TC_HEAD(sigalarm, tc) 84 { 85 atf_tc_set_md_var(tc, "descr", 86 "Checks sigsuspend in libpthread when pthread lib is initialized"); 87 } 88 ATF_TC_BODY(sigalarm, tc) 89 { 90 sigset_t set; 91 pthread_t self = pthread_self(); 92 93 PTHREAD_REQUIRE(pthread_create(&self, NULL, setup, NULL)); 94 95 sigemptyset(&set); 96 sigsuspend(&set); 97 alarm(0); 98 99 ATF_REQUIRE(alarm_set); 100 } 101 102 ATF_TP_ADD_TCS(tp) 103 { 104 ATF_TP_ADD_TC(tp, sigalarm); 105 106 return atf_no_error(); 107 } 108