xref: /netbsd-src/tests/lib/libc/gen/t_pause.c (revision cd5d7b9351da5eb552ae330189895378daefd030)
1*cd5d7b93Sjruoho /* $NetBSD: t_pause.c,v 1.1 2011/05/10 13:03:06 jruoho Exp $ */
2*cd5d7b93Sjruoho 
3*cd5d7b93Sjruoho /*-
4*cd5d7b93Sjruoho  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*cd5d7b93Sjruoho  * All rights reserved.
6*cd5d7b93Sjruoho  *
7*cd5d7b93Sjruoho  * This code is derived from software contributed to The NetBSD Foundation
8*cd5d7b93Sjruoho  * by Jukka Ruohonen.
9*cd5d7b93Sjruoho  *
10*cd5d7b93Sjruoho  * Redistribution and use in source and binary forms, with or without
11*cd5d7b93Sjruoho  * modification, are permitted provided that the following conditions
12*cd5d7b93Sjruoho  * are met:
13*cd5d7b93Sjruoho  * 1. Redistributions of source code must retain the above copyright
14*cd5d7b93Sjruoho  *    notice, this list of conditions and the following disclaimer.
15*cd5d7b93Sjruoho  * 2. Redistributions in binary form must reproduce the above copyright
16*cd5d7b93Sjruoho  *    notice, this list of conditions and the following disclaimer in the
17*cd5d7b93Sjruoho  *    documentation and/or other materials provided with the distribution.
18*cd5d7b93Sjruoho  *
19*cd5d7b93Sjruoho  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*cd5d7b93Sjruoho  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*cd5d7b93Sjruoho  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*cd5d7b93Sjruoho  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*cd5d7b93Sjruoho  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*cd5d7b93Sjruoho  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*cd5d7b93Sjruoho  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*cd5d7b93Sjruoho  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*cd5d7b93Sjruoho  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*cd5d7b93Sjruoho  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*cd5d7b93Sjruoho  * POSSIBILITY OF SUCH DAMAGE.
30*cd5d7b93Sjruoho  */
31*cd5d7b93Sjruoho #include <sys/cdefs.h>
32*cd5d7b93Sjruoho __RCSID("$NetBSD: t_pause.c,v 1.1 2011/05/10 13:03:06 jruoho Exp $");
33*cd5d7b93Sjruoho 
34*cd5d7b93Sjruoho #include <sys/wait.h>
35*cd5d7b93Sjruoho 
36*cd5d7b93Sjruoho #include <atf-c.h>
37*cd5d7b93Sjruoho #include <stdlib.h>
38*cd5d7b93Sjruoho #include <signal.h>
39*cd5d7b93Sjruoho #include <unistd.h>
40*cd5d7b93Sjruoho 
41*cd5d7b93Sjruoho static bool	fail;
42*cd5d7b93Sjruoho static void	handler(int);
43*cd5d7b93Sjruoho 
44*cd5d7b93Sjruoho static void
handler(int signo)45*cd5d7b93Sjruoho handler(int signo)
46*cd5d7b93Sjruoho {
47*cd5d7b93Sjruoho 
48*cd5d7b93Sjruoho 	if (signo == SIGALRM)
49*cd5d7b93Sjruoho 		fail = false;
50*cd5d7b93Sjruoho }
51*cd5d7b93Sjruoho 
52*cd5d7b93Sjruoho ATF_TC(pause_basic);
ATF_TC_HEAD(pause_basic,tc)53*cd5d7b93Sjruoho ATF_TC_HEAD(pause_basic, tc)
54*cd5d7b93Sjruoho {
55*cd5d7b93Sjruoho 	atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #1");
56*cd5d7b93Sjruoho }
57*cd5d7b93Sjruoho 
ATF_TC_BODY(pause_basic,tc)58*cd5d7b93Sjruoho ATF_TC_BODY(pause_basic, tc)
59*cd5d7b93Sjruoho {
60*cd5d7b93Sjruoho 
61*cd5d7b93Sjruoho 	fail = true;
62*cd5d7b93Sjruoho 
63*cd5d7b93Sjruoho 	ATF_REQUIRE(signal(SIGALRM, handler) == 0);
64*cd5d7b93Sjruoho 
65*cd5d7b93Sjruoho 	(void)alarm(1);
66*cd5d7b93Sjruoho 
67*cd5d7b93Sjruoho 	if (pause() != -1 || fail != false)
68*cd5d7b93Sjruoho 		atf_tc_fail("pause(3) did not cancel out from a signal");
69*cd5d7b93Sjruoho }
70*cd5d7b93Sjruoho 
71*cd5d7b93Sjruoho ATF_TC(pause_kill);
ATF_TC_HEAD(pause_kill,tc)72*cd5d7b93Sjruoho ATF_TC_HEAD(pause_kill, tc)
73*cd5d7b93Sjruoho {
74*cd5d7b93Sjruoho 	atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #2");
75*cd5d7b93Sjruoho }
76*cd5d7b93Sjruoho 
ATF_TC_BODY(pause_kill,tc)77*cd5d7b93Sjruoho ATF_TC_BODY(pause_kill, tc)
78*cd5d7b93Sjruoho {
79*cd5d7b93Sjruoho 	pid_t pid;
80*cd5d7b93Sjruoho 	int sta;
81*cd5d7b93Sjruoho 
82*cd5d7b93Sjruoho 	fail = true;
83*cd5d7b93Sjruoho 
84*cd5d7b93Sjruoho 	pid = fork();
85*cd5d7b93Sjruoho 	ATF_REQUIRE(pid >= 0);
86*cd5d7b93Sjruoho 
87*cd5d7b93Sjruoho 	if (pid == 0) {
88*cd5d7b93Sjruoho 
89*cd5d7b93Sjruoho 		(void)pause();
90*cd5d7b93Sjruoho 
91*cd5d7b93Sjruoho 		_exit(EXIT_SUCCESS);
92*cd5d7b93Sjruoho 	}
93*cd5d7b93Sjruoho 
94*cd5d7b93Sjruoho 	(void)sleep(1);
95*cd5d7b93Sjruoho 
96*cd5d7b93Sjruoho 	if (fail != true)
97*cd5d7b93Sjruoho 		atf_tc_fail("child terminated before signal");
98*cd5d7b93Sjruoho 
99*cd5d7b93Sjruoho 	(void)kill(pid, SIGKILL);
100*cd5d7b93Sjruoho 	(void)sleep(1);
101*cd5d7b93Sjruoho 	(void)wait(&sta);
102*cd5d7b93Sjruoho 
103*cd5d7b93Sjruoho 	if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGKILL)
104*cd5d7b93Sjruoho 		atf_tc_fail("pause(3) did not cancel from SIGKILL");
105*cd5d7b93Sjruoho }
106*cd5d7b93Sjruoho 
ATF_TP_ADD_TCS(tp)107*cd5d7b93Sjruoho ATF_TP_ADD_TCS(tp)
108*cd5d7b93Sjruoho {
109*cd5d7b93Sjruoho 
110*cd5d7b93Sjruoho 	ATF_TP_ADD_TC(tp, pause_basic);
111*cd5d7b93Sjruoho 	ATF_TP_ADD_TC(tp, pause_kill);
112*cd5d7b93Sjruoho 
113*cd5d7b93Sjruoho 	return atf_no_error();
114*cd5d7b93Sjruoho }
115