1 /* $NetBSD: t_tcsetpgrp.c,v 1.3 2012/03/18 07:14:08 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 1.3 2012/03/18 07:14:08 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 " (PR lib/41673)"); 46 } 47 48 ATF_TC_BODY(tcsetpgrp_err, tc) 49 { 50 int rv, sta; 51 pid_t pid; 52 53 if (isatty(STDIN_FILENO) == 0) 54 return; 55 56 pid = fork(); 57 ATF_REQUIRE(pid >= 0); 58 59 if (pid == 0) { 60 61 /* 62 * The child process ID doesn't match any active 63 * process group ID, so the following call should 64 * fail with EPERM (and not EINVAL). 65 */ 66 errno = 0; 67 rv = tcsetpgrp(STDIN_FILENO, getpid()); 68 69 if (rv == 0 || errno != EPERM) 70 _exit(EXIT_FAILURE); 71 72 _exit(EXIT_SUCCESS); 73 } 74 75 (void)wait(&sta); 76 77 if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) 78 atf_tc_fail("wrong errno"); 79 } 80 81 ATF_TP_ADD_TCS(tp) 82 { 83 84 ATF_TP_ADD_TC(tp, tcsetpgrp_err); 85 86 return atf_no_error(); 87 } 88