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t_tcsetpgrp.c revision 1.1 
      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