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      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