1 /* $NetBSD: t_fork.c,v 1.2 2017/01/16 16:28:27 christos 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_fork.c,v 1.2 2017/01/16 16:28:27 christos Exp $");
33
34 /*
35 * Written by Love H�rnquist �strand <lha@NetBSD.org>, March 2003.
36 * Public domain.
37 */
38
39 #include <sys/types.h>
40 #include <sys/wait.h>
41
42 #include <errno.h>
43 #include <pthread.h>
44 #include <signal.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <unistd.h>
49
50 #include <atf-c.h>
51
52 #include "h_common.h"
53
54 static pid_t parent;
55 static int thread_survived = 0;
56
57 static void *
print_pid(void * arg)58 print_pid(void *arg)
59 {
60 sleep(3);
61
62 thread_survived = 1;
63 if (parent != getpid()) {
64 _exit(1);
65 }
66 return NULL;
67 }
68
69 ATF_TC(fork);
ATF_TC_HEAD(fork,tc)70 ATF_TC_HEAD(fork, tc)
71 {
72 atf_tc_set_md_var(tc, "descr",
73 "Checks that child process doesn't get threads");
74 }
ATF_TC_BODY(fork,tc)75 ATF_TC_BODY(fork, tc)
76 {
77 pthread_t p;
78 pid_t fork_pid;
79
80 parent = getpid();
81
82 PTHREAD_REQUIRE(pthread_create(&p, NULL, print_pid, NULL));
83
84 fork_pid = fork();
85 ATF_REQUIRE(fork_pid != -1);
86
87 if (fork_pid) {
88 int status;
89
90 PTHREAD_REQUIRE(pthread_join(p, NULL));
91 ATF_REQUIRE_MSG(thread_survived, "thread did not survive in parent");
92
93 waitpid(fork_pid, &status, 0);
94 ATF_REQUIRE_MSG(WIFEXITED(status), "child died wrongly");
95 ATF_REQUIRE_EQ_MSG(WEXITSTATUS(status), 0, "thread survived in child");
96 } else {
97 sleep(5);
98 _exit(thread_survived ? 1 : 0);
99 }
100 }
101
ATF_TP_ADD_TCS(tp)102 ATF_TP_ADD_TCS(tp)
103 {
104 ATF_TP_ADD_TC(tp, fork);
105
106 return atf_no_error();
107 }
108