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