t_fork.c revision 272343
1272343Sngie/* $NetBSD: t_fork.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */ 2272343Sngie 3272343Sngie/* 4272343Sngie * Copyright (c) 2008 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <sys/cdefs.h> 30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\ 31272343Sngie The NetBSD Foundation, inc. All rights reserved."); 32272343Sngie__RCSID("$NetBSD: t_fork.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $"); 33272343Sngie 34272343Sngie/* 35272343Sngie * Written by Love H�rnquist �strand <lha@NetBSD.org>, March 2003. 36272343Sngie * Public domain. 37272343Sngie */ 38272343Sngie 39272343Sngie#include <sys/types.h> 40272343Sngie#include <sys/wait.h> 41272343Sngie 42272343Sngie#include <errno.h> 43272343Sngie#include <pthread.h> 44272343Sngie#include <signal.h> 45272343Sngie#include <stdio.h> 46272343Sngie#include <stdlib.h> 47272343Sngie#include <string.h> 48272343Sngie#include <unistd.h> 49272343Sngie 50272343Sngie#include <atf-c.h> 51272343Sngie 52272343Sngie#include "h_common.h" 53272343Sngie 54272343Sngiestatic pid_t parent; 55272343Sngiestatic int thread_survived = 0; 56272343Sngie 57272343Sngiestatic void * 58272343Sngieprint_pid(void *arg) 59272343Sngie{ 60272343Sngie sleep(3); 61272343Sngie 62272343Sngie thread_survived = 1; 63272343Sngie if (parent != getpid()) { 64272343Sngie exit(1); 65272343Sngie } 66272343Sngie return NULL; 67272343Sngie} 68272343Sngie 69272343SngieATF_TC(fork); 70272343SngieATF_TC_HEAD(fork, tc) 71272343Sngie{ 72272343Sngie atf_tc_set_md_var(tc, "descr", 73272343Sngie "Checks that child process doesn't get threads"); 74272343Sngie} 75272343SngieATF_TC_BODY(fork, tc) 76272343Sngie{ 77272343Sngie pthread_t p; 78272343Sngie pid_t fork_pid; 79272343Sngie 80272343Sngie parent = getpid(); 81272343Sngie 82272343Sngie PTHREAD_REQUIRE(pthread_create(&p, NULL, print_pid, NULL)); 83272343Sngie 84272343Sngie fork_pid = fork(); 85272343Sngie ATF_REQUIRE(fork_pid != -1); 86272343Sngie 87272343Sngie if (fork_pid) { 88272343Sngie int status; 89272343Sngie 90272343Sngie PTHREAD_REQUIRE(pthread_join(p, NULL)); 91272343Sngie ATF_REQUIRE_MSG(thread_survived, "thread did not survive in parent"); 92272343Sngie 93272343Sngie waitpid(fork_pid, &status, 0); 94272343Sngie ATF_REQUIRE_MSG(WIFEXITED(status), "child died wrongly"); 95272343Sngie ATF_REQUIRE_EQ_MSG(WEXITSTATUS(status), 0, "thread survived in child"); 96272343Sngie } else { 97272343Sngie sleep(5); 98272343Sngie exit(thread_survived ? 1 : 0); 99272343Sngie } 100272343Sngie} 101272343Sngie 102272343SngieATF_TP_ADD_TCS(tp) 103272343Sngie{ 104272343Sngie ATF_TP_ADD_TC(tp, fork); 105272343Sngie 106272343Sngie return atf_no_error(); 107272343Sngie} 108