98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/* Copyright (C) 2010-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
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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, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <stdio.h>
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static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
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static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
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static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
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static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
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static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
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static sem_t sem;
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static void *
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th (void *arg)
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{
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long int res = 0;
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int r;
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struct timespec t = { -2, 0 };
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r = pthread_mutex_timedlock (&m1, &t);
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if (r != ETIMEDOUT)
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{
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puts ("pthread_mutex_timedlock did not return ETIMEDOUT");
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res = 1;
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}
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r = pthread_rwlock_timedrdlock (&rw1, &t);
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if (r != ETIMEDOUT)
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{
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puts ("pthread_rwlock_timedrdlock did not return ETIMEDOUT");
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res = 1;
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}
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r = pthread_rwlock_timedwrlock (&rw2, &t);
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if (r != ETIMEDOUT)
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{
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puts ("pthread_rwlock_timedwrlock did not return ETIMEDOUT");
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res = 1;
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}
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return (void *) res;
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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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int res = 0;
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int r;
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struct timespec t = { -2, 0 };
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pthread_t pth;
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sem_init (&sem, 0, 0);
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r = sem_timedwait (&sem, &t);
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if (r != -1 || errno != ETIMEDOUT)
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{
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puts ("sem_timedwait did not fail with ETIMEDOUT");
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res = 1;
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}
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pthread_mutex_lock (&m1);
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pthread_rwlock_wrlock (&rw1);
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pthread_rwlock_rdlock (&rw2);
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pthread_mutex_lock (&m2);
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if (pthread_create (&pth, 0, th, 0) != 0)
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{
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puts ("cannot create thread");
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return 1;
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}
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r = pthread_cond_timedwait (&c, &m2, &t);
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if (r != ETIMEDOUT)
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{
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puts ("pthread_cond_timedwait did not return ETIMEDOUT");
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res = 1;
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}
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void *thres;
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pthread_join (pth, &thres);
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return res | (thres != NULL);
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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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