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 }
105