1 /* $NetBSD: t_fork.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */ 2 3 /* 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __COPYRIGHT("@(#) Copyright (c) 2008\ 31 The NetBSD Foundation, inc. All rights reserved."); 32 __RCSID("$NetBSD: t_fork.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $"); 33 34 /* 35 * Written by Love H�rnquist �strand <lha@NetBSD.org>, March 2003. 36 * Public domain. 37 */ 38 39 #include <sys/types.h> 40 #include <sys/wait.h> 41 42 #include <errno.h> 43 #include <pthread.h> 44 #include <signal.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 50 #include <atf-c.h> 51 52 #include "h_common.h" 53 54 static pid_t parent; 55 static int thread_survived = 0; 56 57 static void * 58 print_pid(void *arg) 59 { 60 sleep(3); 61 62 thread_survived = 1; 63 if (parent != getpid()) { 64 #ifdef __FreeBSD__ 65 _exit(1); 66 #else 67 exit(1); 68 #endif 69 } 70 return NULL; 71 } 72 73 ATF_TC(fork); 74 ATF_TC_HEAD(fork, tc) 75 { 76 atf_tc_set_md_var(tc, "descr", 77 "Checks that child process doesn't get threads"); 78 } 79 ATF_TC_BODY(fork, tc) 80 { 81 pthread_t p; 82 pid_t fork_pid; 83 84 parent = getpid(); 85 86 PTHREAD_REQUIRE(pthread_create(&p, NULL, print_pid, NULL)); 87 88 fork_pid = fork(); 89 ATF_REQUIRE(fork_pid != -1); 90 91 if (fork_pid) { 92 int status; 93 94 PTHREAD_REQUIRE(pthread_join(p, NULL)); 95 ATF_REQUIRE_MSG(thread_survived, "thread did not survive in parent"); 96 97 waitpid(fork_pid, &status, 0); 98 ATF_REQUIRE_MSG(WIFEXITED(status), "child died wrongly"); 99 ATF_REQUIRE_EQ_MSG(WEXITSTATUS(status), 0, "thread survived in child"); 100 } else { 101 sleep(5); 102 #ifdef __FreeBSD__ 103 _exit(thread_survived ? 1 : 0); 104 #else 105 exit(thread_survived ? 1 : 0); 106 #endif 107 } 108 } 109 110 ATF_TP_ADD_TCS(tp) 111 { 112 ATF_TP_ADD_TC(tp, fork); 113 114 return atf_no_error(); 115 } 116