xref: /freebsd/contrib/netbsd-tests/lib/libc/gen/t_pause.c (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1 /* $NetBSD: t_pause.c,v 1.1 2011/05/10 13:03:06 jruoho Exp $ */
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jukka Ruohonen.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_pause.c,v 1.1 2011/05/10 13:03:06 jruoho Exp $");
33 
34 #include <sys/wait.h>
35 
36 #include <atf-c.h>
37 #include <stdlib.h>
38 #include <signal.h>
39 #include <unistd.h>
40 
41 static bool	fail;
42 static void	handler(int);
43 
44 static void
45 handler(int signo)
46 {
47 
48 	if (signo == SIGALRM)
49 		fail = false;
50 }
51 
52 ATF_TC(pause_basic);
53 ATF_TC_HEAD(pause_basic, tc)
54 {
55 	atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #1");
56 }
57 
58 ATF_TC_BODY(pause_basic, tc)
59 {
60 
61 	fail = true;
62 
63 	ATF_REQUIRE(signal(SIGALRM, handler) == 0);
64 
65 	(void)alarm(1);
66 
67 	if (pause() != -1 || fail != false)
68 		atf_tc_fail("pause(3) did not cancel out from a signal");
69 }
70 
71 ATF_TC(pause_kill);
72 ATF_TC_HEAD(pause_kill, tc)
73 {
74 	atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #2");
75 }
76 
77 ATF_TC_BODY(pause_kill, tc)
78 {
79 	pid_t pid;
80 	int sta;
81 
82 	fail = true;
83 
84 	pid = fork();
85 	ATF_REQUIRE(pid >= 0);
86 
87 	if (pid == 0) {
88 
89 		(void)pause();
90 
91 		_exit(EXIT_SUCCESS);
92 	}
93 
94 	(void)sleep(1);
95 
96 	if (fail != true)
97 		atf_tc_fail("child terminated before signal");
98 
99 	(void)kill(pid, SIGKILL);
100 	(void)sleep(1);
101 	(void)wait(&sta);
102 
103 	if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGKILL)
104 		atf_tc_fail("pause(3) did not cancel from SIGKILL");
105 }
106 
107 ATF_TP_ADD_TCS(tp)
108 {
109 
110 	ATF_TP_ADD_TC(tp, pause_basic);
111 	ATF_TP_ADD_TC(tp, pause_kill);
112 
113 	return atf_no_error();
114 }
115