mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/* 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"
|