t_getsid.c revision 272343
1/* $NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 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_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
33
34#include <sys/wait.h>
35
36#include <errno.h>
37#include <stdlib.h>
38#include <unistd.h>
39
40#include <atf-c.h>
41
42ATF_TC(getsid_current);
43ATF_TC_HEAD(getsid_current, tc)
44{
45	atf_tc_set_md_var(tc, "descr", "Test getsid(0)");
46}
47
48ATF_TC_BODY(getsid_current, tc)
49{
50	pid_t sid;
51
52	sid = getsid(0);
53	ATF_REQUIRE(sid != -1);
54
55	if (sid != getsid(getpid()))
56		atf_tc_fail("getsid(0) did not match the calling process");
57}
58
59ATF_TC(getsid_err);
60ATF_TC_HEAD(getsid_err, tc)
61{
62	atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)");
63}
64
65ATF_TC_BODY(getsid_err, tc)
66{
67
68	errno = 0;
69
70	ATF_REQUIRE(getsid(-1) == -1);
71	ATF_REQUIRE(errno == ESRCH);
72}
73
74ATF_TC(getsid_process);
75ATF_TC_HEAD(getsid_process, tc)
76{
77	atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes");
78}
79
80ATF_TC_BODY(getsid_process, tc)
81{
82	pid_t csid, pid, ppid, sid;
83	int sta;
84
85	sid = getsid(0);
86	pid = fork();
87
88	ATF_REQUIRE(pid >= 0);
89	ATF_REQUIRE(sid != -1);
90
91	if (pid == 0) {
92
93		csid = getsid(0);
94		ppid = getppid();
95
96		if (sid != csid)
97			_exit(EXIT_FAILURE);
98
99		if (getsid(ppid) != csid)
100			_exit(EXIT_FAILURE);
101
102		_exit(EXIT_SUCCESS);
103	}
104
105	(void)wait(&sta);
106
107	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
108		atf_tc_fail("invalid session ID");
109}
110
111ATF_TP_ADD_TCS(tp)
112{
113
114	ATF_TP_ADD_TC(tp, getsid_current);
115	ATF_TP_ADD_TC(tp, getsid_err);
116	ATF_TP_ADD_TC(tp, getsid_process);
117
118	return atf_no_error();
119}
120