xref: /netbsd-src/tests/lib/libc/termios/t_tcsetpgrp.c (revision 4fee23f98c45552038ad6b5bd05124a41302fb01)
1 /*	$NetBSD: t_tcsetpgrp.c,v 1.1 2011/05/01 11:39:38 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_tcsetpgrp.c,v 1.1 2011/05/01 11:39:38 jruoho Exp $");
33 
34 #include <sys/wait.h>
35 
36 #include <atf-c.h>
37 #include <errno.h>
38 #include <stdlib.h>
39 #include <unistd.h>
40 
41 ATF_TC(tcsetpgrp_err);
42 ATF_TC_HEAD(tcsetpgrp_err, tc)
43 {
44 	atf_tc_set_md_var(tc, "descr", "Test errors from tcsetpgrp(3)");
45 }
46 
47 ATF_TC_BODY(tcsetpgrp_err, tc)
48 {
49 	int rv, sta;
50 	pid_t pid;
51 
52 	if (isatty(STDIN_FILENO) == 0)
53 		return;
54 
55 	atf_tc_expect_fail("PR lib/41673");
56 
57 	pid = fork();
58 	ATF_REQUIRE(pid >= 0);
59 
60 	if (pid == 0) {
61 
62 		/*
63 		 * The child process ID doesn't match any active
64 		 * process group ID, so the following call should
65 		 * fail with EPERM (and not EINVAL).
66 		 */
67 		errno = 0;
68 		rv = tcsetpgrp(STDIN_FILENO, getpid());
69 
70 		if (rv == 0 || errno != EPERM)
71 			_exit(EXIT_FAILURE);
72 
73 		_exit(EXIT_SUCCESS);
74 	}
75 
76 	(void)wait(&sta);
77 
78 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
79 		atf_tc_fail("wrong errno");
80 }
81 
82 ATF_TP_ADD_TCS(tp)
83 {
84 
85 	ATF_TP_ADD_TC(tp, tcsetpgrp_err);
86 
87 	return atf_no_error();
88 }
89