xref: /freebsd/contrib/netbsd-tests/lib/libc/sys/t_getsid.c (revision 3416500aef140042c64bc149cb1ec6620483bc44)
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 
42 ATF_TC(getsid_current);
43 ATF_TC_HEAD(getsid_current, tc)
44 {
45 	atf_tc_set_md_var(tc, "descr", "Test getsid(0)");
46 }
47 
48 ATF_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 
59 ATF_TC(getsid_err);
60 ATF_TC_HEAD(getsid_err, tc)
61 {
62 	atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)");
63 }
64 
65 ATF_TC_BODY(getsid_err, tc)
66 {
67 
68 	errno = 0;
69 
70 	ATF_REQUIRE(getsid(-1) == -1);
71 	ATF_REQUIRE(errno == ESRCH);
72 }
73 
74 ATF_TC(getsid_process);
75 ATF_TC_HEAD(getsid_process, tc)
76 {
77 	atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes");
78 }
79 
80 ATF_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 
111 ATF_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