|
Packit |
6c4009 |
/* Copyright (C) 2004-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <errno.h>
|
|
Packit |
6c4009 |
#include <pthread.h>
|
|
Packit |
6c4009 |
#include <stdio.h>
|
|
Packit |
6c4009 |
#include <stdlib.h>
|
|
Packit |
6c4009 |
#include <string.h>
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
#include <sys/time.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
|
|
Packit |
6c4009 |
static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
|
|
Packit |
6c4009 |
static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static void *
|
|
Packit |
6c4009 |
tf (void *p)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (pthread_mutex_lock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 1st mutex_lock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (pthread_mutex_lock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 2nd mutex_lock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (pthread_mutex_lock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 3rd mutex_lock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (pthread_mutex_unlock (&mut2) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: mutex_unlock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
struct timeval tv;
|
|
Packit |
6c4009 |
gettimeofday (&tv, NULL);
|
|
Packit |
6c4009 |
struct timespec ts;
|
|
Packit |
6c4009 |
TIMEVAL_TO_TIMESPEC (&tv, &ts);
|
|
Packit |
6c4009 |
ts.tv_sec += p == NULL ? 100 : 1;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
int err = pthread_cond_timedwait (&cond, &mut, &ts);
|
|
Packit |
6c4009 |
if ((err != 0 && p == NULL) || (err != ETIMEDOUT && p != NULL))
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: cond_wait failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (pthread_mutex_unlock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 1st mutex_unlock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (pthread_mutex_unlock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 2nd mutex_unlock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (pthread_mutex_unlock (&mut) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("%s: 3rd mutex_unlock failed\n", __func__);
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
puts ("child: done");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
return NULL;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static int
|
|
Packit |
6c4009 |
do_test (void)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (pthread_mutex_lock (&mut2) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("1st mutex_lock failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
puts ("parent: create 1st child");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
pthread_t th;
|
|
Packit |
6c4009 |
int err = pthread_create (&th, NULL, tf, NULL);
|
|
Packit |
6c4009 |
if (err != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("parent: cannot 1st create thread: %s\n", strerror (err));
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* We have to synchronize with the child. */
|
|
Packit |
6c4009 |
if (pthread_mutex_lock (&mut2) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("2nd mutex_lock failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Give the child to reach to pthread_cond_wait. */
|
|
Packit |
6c4009 |
sleep (1);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (pthread_cond_signal (&cond) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("cond_signal failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
err = pthread_join (th, NULL);
|
|
Packit |
6c4009 |
if (err != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("parent: failed to join: %s\n", strerror (err));
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
puts ("parent: create 2nd child");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
err = pthread_create (&th, NULL, tf, (void *) 1l);
|
|
Packit |
6c4009 |
if (err != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("parent: cannot 2nd create thread: %s\n", strerror (err));
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
err = pthread_join (th, NULL);
|
|
Packit |
6c4009 |
if (err != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("parent: failed to join: %s\n", strerror (err));
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
puts ("done");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define TEST_FUNCTION do_test ()
|
|
Packit |
6c4009 |
#define TIMEOUT 6
|
|
Packit |
6c4009 |
#include "../test-skeleton.c"
|