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/* Test for pthread cancellation of mutex blocks.
Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
pthread_barrier_t b;
int value = 0;
static void *
tf (void *arg)
{
int r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
pthread_mutex_lock (&lock);
++value;
pthread_testcancel ();
++value;
pthread_mutex_unlock (&lock);
return NULL;
}
static int
do_test (void)
{
pthread_mutex_lock (&lock);
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier init failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("pthread_create failed");
return 1;
}
int r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
if (pthread_cancel (th) != 0)
{
puts ("pthread_cancel failed");
return 1;
}
pthread_mutex_unlock (&lock);
void *status;
if (pthread_join (th, &status) != 0)
{
puts ("join failed");
return 1;
}
if (status != PTHREAD_CANCELED)
{
puts ("thread not canceled");
return 1;
}
if (value == 0)
{
puts ("thread cancelled in the pthread_mutex_lock call");
return 1;
}
if (value != 1)
{
puts ("thread not cancelled in pthread_testcancel call");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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