xref: /minix3/tests/lib/libc/termios/t_tcsetpgrp.c (revision 11be35a165022172ed3cea20f2b5df0307540b0e)
1*11be35a1SLionel Sambuc /*	$NetBSD: t_tcsetpgrp.c,v 1.3 2012/03/18 07:14:08 jruoho Exp $ */
2*11be35a1SLionel Sambuc 
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc  * All rights reserved.
6*11be35a1SLionel Sambuc  *
7*11be35a1SLionel Sambuc  * This code is derived from software contributed to The NetBSD Foundation
8*11be35a1SLionel Sambuc  * by Jukka Ruohonen.
9*11be35a1SLionel Sambuc  *
10*11be35a1SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
11*11be35a1SLionel Sambuc  * modification, are permitted provided that the following conditions
12*11be35a1SLionel Sambuc  * are met:
13*11be35a1SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
14*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
15*11be35a1SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17*11be35a1SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18*11be35a1SLionel Sambuc  *
19*11be35a1SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*11be35a1SLionel Sambuc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*11be35a1SLionel Sambuc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*11be35a1SLionel Sambuc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*11be35a1SLionel Sambuc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*11be35a1SLionel Sambuc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*11be35a1SLionel Sambuc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*11be35a1SLionel Sambuc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*11be35a1SLionel Sambuc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*11be35a1SLionel Sambuc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*11be35a1SLionel Sambuc  * POSSIBILITY OF SUCH DAMAGE.
30*11be35a1SLionel Sambuc  */
31*11be35a1SLionel Sambuc #include <sys/cdefs.h>
32*11be35a1SLionel Sambuc __RCSID("$NetBSD: t_tcsetpgrp.c,v 1.3 2012/03/18 07:14:08 jruoho Exp $");
33*11be35a1SLionel Sambuc 
34*11be35a1SLionel Sambuc #include <sys/wait.h>
35*11be35a1SLionel Sambuc 
36*11be35a1SLionel Sambuc #include <atf-c.h>
37*11be35a1SLionel Sambuc #include <errno.h>
38*11be35a1SLionel Sambuc #include <stdlib.h>
39*11be35a1SLionel Sambuc #include <unistd.h>
40*11be35a1SLionel Sambuc 
41*11be35a1SLionel Sambuc ATF_TC(tcsetpgrp_err);
ATF_TC_HEAD(tcsetpgrp_err,tc)42*11be35a1SLionel Sambuc ATF_TC_HEAD(tcsetpgrp_err, tc)
43*11be35a1SLionel Sambuc {
44*11be35a1SLionel Sambuc 	atf_tc_set_md_var(tc, "descr", "Test errors from tcsetpgrp(3)"
45*11be35a1SLionel Sambuc 	    " (PR lib/41673)");
46*11be35a1SLionel Sambuc }
47*11be35a1SLionel Sambuc 
ATF_TC_BODY(tcsetpgrp_err,tc)48*11be35a1SLionel Sambuc ATF_TC_BODY(tcsetpgrp_err, tc)
49*11be35a1SLionel Sambuc {
50*11be35a1SLionel Sambuc 	int rv, sta;
51*11be35a1SLionel Sambuc 	pid_t pid;
52*11be35a1SLionel Sambuc 
53*11be35a1SLionel Sambuc 	if (isatty(STDIN_FILENO) == 0)
54*11be35a1SLionel Sambuc 		return;
55*11be35a1SLionel Sambuc 
56*11be35a1SLionel Sambuc 	pid = fork();
57*11be35a1SLionel Sambuc 	ATF_REQUIRE(pid >= 0);
58*11be35a1SLionel Sambuc 
59*11be35a1SLionel Sambuc 	if (pid == 0) {
60*11be35a1SLionel Sambuc 
61*11be35a1SLionel Sambuc 		/*
62*11be35a1SLionel Sambuc 		 * The child process ID doesn't match any active
63*11be35a1SLionel Sambuc 		 * process group ID, so the following call should
64*11be35a1SLionel Sambuc 		 * fail with EPERM (and not EINVAL).
65*11be35a1SLionel Sambuc 		 */
66*11be35a1SLionel Sambuc 		errno = 0;
67*11be35a1SLionel Sambuc 		rv = tcsetpgrp(STDIN_FILENO, getpid());
68*11be35a1SLionel Sambuc 
69*11be35a1SLionel Sambuc 		if (rv == 0 || errno != EPERM)
70*11be35a1SLionel Sambuc 			_exit(EXIT_FAILURE);
71*11be35a1SLionel Sambuc 
72*11be35a1SLionel Sambuc 		_exit(EXIT_SUCCESS);
73*11be35a1SLionel Sambuc 	}
74*11be35a1SLionel Sambuc 
75*11be35a1SLionel Sambuc 	(void)wait(&sta);
76*11be35a1SLionel Sambuc 
77*11be35a1SLionel Sambuc 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
78*11be35a1SLionel Sambuc 		atf_tc_fail("wrong errno");
79*11be35a1SLionel Sambuc }
80*11be35a1SLionel Sambuc 
ATF_TP_ADD_TCS(tp)81*11be35a1SLionel Sambuc ATF_TP_ADD_TCS(tp)
82*11be35a1SLionel Sambuc {
83*11be35a1SLionel Sambuc 
84*11be35a1SLionel Sambuc 	ATF_TP_ADD_TC(tp, tcsetpgrp_err);
85*11be35a1SLionel Sambuc 
86*11be35a1SLionel Sambuc 	return atf_no_error();
87*11be35a1SLionel Sambuc }
88