144 lines
3.6 KiB
C
144 lines
3.6 KiB
C
/* Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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 <errno.h>
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#include <pthread.h>
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#include <stdio.h>
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static int
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do_test (void)
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{
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pthread_rwlock_t r;
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int e;
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if (pthread_rwlock_init (&r, NULL) != 0)
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{
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puts ("rwlock_init failed");
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return 1;
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}
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puts ("rwlock_init succeeded");
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if (pthread_rwlock_wrlock (&r) != 0)
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{
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puts ("1st rwlock_wrlock failed");
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return 1;
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}
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puts ("1st rwlock_wrlock succeeded");
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e = pthread_rwlock_tryrdlock (&r);
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if (e == 0)
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{
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puts ("rwlock_tryrdlock on rwlock with writer succeeded");
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return 1;
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}
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if (e != EBUSY)
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{
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puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
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return 1;
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}
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puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");
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e = pthread_rwlock_trywrlock (&r);
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if (e == 0)
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{
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puts ("rwlock_trywrlock on rwlock with writer succeeded");
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return 1;
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}
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if (e != EBUSY)
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{
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puts ("rwlock_trywrlock on rwlock with writer return value != EBUSY");
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return 1;
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}
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puts ("rwlock_trywrlock on rwlock with writer failed with EBUSY");
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if (pthread_rwlock_unlock (&r) != 0)
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{
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puts ("1st rwlock_unlock failed");
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return 1;
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}
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puts ("1st rwlock_unlock succeeded");
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if (pthread_rwlock_tryrdlock (&r) != 0)
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{
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puts ("rwlock_tryrdlock on unlocked rwlock failed");
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return 1;
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}
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puts ("rwlock_tryrdlock on unlocked rwlock succeeded");
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e = pthread_rwlock_trywrlock (&r);
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if (e == 0)
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{
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puts ("rwlock_trywrlock on rwlock with reader succeeded");
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return 1;
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}
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if (e != EBUSY)
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{
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puts ("rwlock_trywrlock on rwlock with reader return value != EBUSY");
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return 1;
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}
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puts ("rwlock_trywrlock on rwlock with reader failed with EBUSY");
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if (pthread_rwlock_unlock (&r) != 0)
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{
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puts ("2nd rwlock_unlock failed");
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return 1;
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}
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puts ("2nd rwlock_unlock succeeded");
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if (pthread_rwlock_trywrlock (&r) != 0)
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{
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puts ("rwlock_trywrlock on unlocked rwlock failed");
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return 1;
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}
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puts ("rwlock_trywrlock on unlocked rwlock succeeded");
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e = pthread_rwlock_tryrdlock (&r);
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if (e == 0)
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{
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puts ("rwlock_tryrdlock on rwlock with writer succeeded");
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return 1;
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}
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if (e != EBUSY)
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{
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puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
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return 1;
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}
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puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");
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if (pthread_rwlock_unlock (&r) != 0)
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{
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puts ("3rd rwlock_unlock failed");
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return 1;
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}
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puts ("3rd rwlock_unlock succeeded");
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if (pthread_rwlock_destroy (&r) != 0)
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{
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puts ("rwlock_destroy failed");
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return 1;
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}
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puts ("rwlock_destroy succeeded");
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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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