130 lines
3.0 KiB
Bash
Executable File
130 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
#
|
|
# Copyright (c) 2014 EMC Corp.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
|
|
# The test program calls fork(2) from a multi-threaded process.
|
|
# Test program stuck in uwrlck seen.
|
|
# Fixed in r266609.
|
|
|
|
# Note that program erroneously calls exit(3) and not _exit(2).
|
|
|
|
. ../default.cfg
|
|
|
|
here=`pwd`
|
|
cd /tmp
|
|
sed '1,/^EOF/d' < $here/$0 > fork.c
|
|
mycc -o fork -Wall -Wextra -O2 -g fork.c -lpthread || exit 1
|
|
|
|
for i in `jot 100`; do
|
|
/tmp/fork &
|
|
done
|
|
while ! pgrep -q fork; do
|
|
sleep .2
|
|
done
|
|
for i in `jot 30`; do
|
|
pgrep -q fork || break
|
|
sleep 1
|
|
done
|
|
if pgrep -q fork; then
|
|
echo FAIL
|
|
exit 1
|
|
fi
|
|
wait
|
|
|
|
rm -f /tmp/fork /tmp/fork.c
|
|
exit 0
|
|
EOF
|
|
|
|
/*
|
|
* Written by Love Hörnquist Åstrand <lha@NetBSD.org>, March 2003.
|
|
* Public domain.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
static pid_t parent;
|
|
static int thread_survived = 0;
|
|
|
|
static void *
|
|
print_pid(void *arg __unused)
|
|
{
|
|
sleep(3);
|
|
|
|
thread_survived = 1;
|
|
if (parent != getpid()) {
|
|
exit(1);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int r;
|
|
pthread_t p;
|
|
pid_t fork_pid;
|
|
|
|
parent = getpid();
|
|
|
|
r = pthread_create(&p, NULL, print_pid, NULL);
|
|
if (r != 0)
|
|
errx(1, "r = %d", r);
|
|
|
|
fork_pid = fork();
|
|
if (fork_pid == -1)
|
|
err(1, "fork");
|
|
|
|
if (fork_pid) {
|
|
int status;
|
|
|
|
r = pthread_join(p, NULL);
|
|
if (r != 0)
|
|
errx(1, "r = %d", r);
|
|
if (thread_survived == 0)
|
|
errx(1, "thread did not survive in parent");
|
|
|
|
waitpid(fork_pid, &status, 0);
|
|
if (WIFEXITED(status) != 1)
|
|
printf("WIFEXITED(status) = %d\n", WIFEXITED(status));
|
|
if (WEXITSTATUS(status) != 0)
|
|
printf("WEXITSTATUS(status) = %d\n", WEXITSTATUS(status));
|
|
} else {
|
|
sleep(5);
|
|
exit(thread_survived ? 1 : 0);
|
|
}
|
|
}
|