tests/lib/libpthread/t_sleep.c

   1 /* $NetBSD: t_sleep.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_sleep.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $");
  33
  34 #include <sys/time.h>
  35
  36 #include <pthread.h>
  37 #include <signal.h>
  38 #include <stdio.h>
  39 #include <unistd.h>
  40
  41 #include <atf-c.h>
  42
  43 #include "h_common.h"
  44
  45 #define LONGTIME 2000000000
  46
  47 static void *
  48 threadfunc(void *arg)
  49 {
  50         sleep(LONGTIME);
  51
  52         return NULL;
  53 }
  54
  55 static void
  56 handler(int sig)
  57 {
  58         /*
  59          * Nothing to do; invoking the handler is enough to interrupt
  60          * the sleep.
  61          */
  62 }
  63
  64 ATF_TC(sleep1);
  65 ATF_TC_HEAD(sleep1, tc)
  66 {
  67         atf_tc_set_md_var(tc, "descr", "Checks sleeping past the time when "
  68             "time_t wraps");
  69 }
  70 ATF_TC_BODY(sleep1, tc)
  71 {
  72         pthread_t thread;
  73         struct itimerval it;
  74         struct sigaction act;
  75         sigset_t mtsm;
  76
  77         printf("Testing sleeps unreasonably far into the future.\n");
  78
  79         act.sa_handler = handler;
  80         sigemptyset(&act.sa_mask);
  81         act.sa_flags = 0;
  82         sigaction(SIGALRM, &act, NULL);
  83
  84         PTHREAD_REQUIRE(pthread_create(&thread, NULL, threadfunc, NULL));
  85
  86         /* make sure the signal is delivered to the child thread */
  87         sigemptyset(&mtsm);
  88         sigaddset(&mtsm, SIGALRM);
  89         PTHREAD_REQUIRE(pthread_sigmask(SIG_BLOCK, &mtsm, 0));
  90
  91         timerclear(&it.it_interval);
  92         timerclear(&it.it_value);
  93         it.it_value.tv_sec = 1;
  94         setitimer(ITIMER_REAL, &it, NULL);
  95
  96         PTHREAD_REQUIRE(pthread_join(thread, NULL));
  97 }
  98
  99 ATF_TP_ADD_TCS(tp)
 100 {
 101         ATF_TP_ADD_TC(tp, sleep1);
 102
 103         return atf_no_error();
 104 }