108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/* $NetBSD: t_fork.c,v 1.2 2017/01/16 16:28:27 christos Exp $ */
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/*
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_fork.c,v 1.2 2017/01/16 16:28:27 christos Exp $");
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/*
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* Written by Love Hörnquist Åstrand <lha@NetBSD.org>, March 2003.
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* Public domain.
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <atf-c.h>
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#include "h_common.h"
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static pid_t parent;
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static int thread_survived = 0;
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static void *
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print_pid(void *arg)
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{
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sleep(3);
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thread_survived = 1;
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if (parent != getpid()) {
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_exit(1);
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}
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return NULL;
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}
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ATF_TC(fork);
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ATF_TC_HEAD(fork, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Checks that child process doesn't get threads");
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}
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ATF_TC_BODY(fork, tc)
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{
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pthread_t p;
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pid_t fork_pid;
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parent = getpid();
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PTHREAD_REQUIRE(pthread_create(&p, NULL, print_pid, NULL));
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fork_pid = fork();
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ATF_REQUIRE(fork_pid != -1);
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if (fork_pid) {
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int status;
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PTHREAD_REQUIRE(pthread_join(p, NULL));
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ATF_REQUIRE_MSG(thread_survived, "thread did not survive in parent");
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waitpid(fork_pid, &status, 0);
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ATF_REQUIRE_MSG(WIFEXITED(status), "child died wrongly");
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ATF_REQUIRE_EQ_MSG(WEXITSTATUS(status), 0, "thread survived in child");
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} else {
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sleep(5);
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_exit(thread_survived ? 1 : 0);
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}
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, fork);
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return atf_no_error();
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}
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