tests/lib/libpthread/t_sigalarm.c

   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 }