1272343Sngie/*	$NetBSD: t_tcsetpgrp.c,v 1.3 2012/03/18 07:14:08 jruoho Exp $ */
2272343Sngie
3272343Sngie/*-
4272343Sngie * Copyright (c) 2011 The NetBSD Foundation, Inc.
5272343Sngie * All rights reserved.
6272343Sngie *
7272343Sngie * This code is derived from software contributed to The NetBSD Foundation
8272343Sngie * by Jukka Ruohonen.
9272343Sngie *
10272343Sngie * Redistribution and use in source and binary forms, with or without
11272343Sngie * modification, are permitted provided that the following conditions
12272343Sngie * are met:
13272343Sngie * 1. Redistributions of source code must retain the above copyright
14272343Sngie *    notice, this list of conditions and the following disclaimer.
15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright
16272343Sngie *    notice, this list of conditions and the following disclaimer in the
17272343Sngie *    documentation and/or other materials provided with the distribution.
18272343Sngie *
19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22272343Sngie * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29272343Sngie * POSSIBILITY OF SUCH DAMAGE.
30272343Sngie */
31272343Sngie#include <sys/cdefs.h>
32272343Sngie__RCSID("$NetBSD: t_tcsetpgrp.c,v 1.3 2012/03/18 07:14:08 jruoho Exp $");
33272343Sngie
34272343Sngie#include <sys/wait.h>
35272343Sngie
36272343Sngie#include <atf-c.h>
37272343Sngie#include <errno.h>
38272343Sngie#include <stdlib.h>
39272343Sngie#include <unistd.h>
40272343Sngie
41272343SngieATF_TC(tcsetpgrp_err);
42272343SngieATF_TC_HEAD(tcsetpgrp_err, tc)
43272343Sngie{
44272343Sngie	atf_tc_set_md_var(tc, "descr", "Test errors from tcsetpgrp(3)"
45272343Sngie	    " (PR lib/41673)");
46272343Sngie}
47272343Sngie
48272343SngieATF_TC_BODY(tcsetpgrp_err, tc)
49272343Sngie{
50272343Sngie	int rv, sta;
51272343Sngie	pid_t pid;
52272343Sngie
53272343Sngie	if (isatty(STDIN_FILENO) == 0)
54272343Sngie		return;
55272343Sngie
56272343Sngie	pid = fork();
57272343Sngie	ATF_REQUIRE(pid >= 0);
58272343Sngie
59272343Sngie	if (pid == 0) {
60272343Sngie
61272343Sngie		/*
62272343Sngie		 * The child process ID doesn't match any active
63272343Sngie		 * process group ID, so the following call should
64272343Sngie		 * fail with EPERM (and not EINVAL).
65272343Sngie		 */
66272343Sngie		errno = 0;
67272343Sngie		rv = tcsetpgrp(STDIN_FILENO, getpid());
68272343Sngie
69272343Sngie		if (rv == 0 || errno != EPERM)
70272343Sngie			_exit(EXIT_FAILURE);
71272343Sngie
72272343Sngie		_exit(EXIT_SUCCESS);
73272343Sngie	}
74272343Sngie
75272343Sngie	(void)wait(&sta);
76272343Sngie
77272343Sngie	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
78272343Sngie		atf_tc_fail("wrong errno");
79272343Sngie}
80272343Sngie
81272343SngieATF_TP_ADD_TCS(tp)
82272343Sngie{
83272343Sngie
84272343Sngie	ATF_TP_ADD_TC(tp, tcsetpgrp_err);
85272343Sngie
86272343Sngie	return atf_no_error();
87272343Sngie}
88