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93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/* Copyright (C) 2002-2017 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, see
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<http://www.gnu.org/licenses/>. */
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/* This test case checks more than standard compliance. An
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implementation may provide this service but it is not required to
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do so. */
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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_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_rdlock (&r);
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if (e == 0)
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{
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puts ("rwlock_rdlock on rwlock with writer succeeded");
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return 1;
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}
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if (e != EDEADLK)
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{
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puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK");
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return 1;
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}
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puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK");
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e = pthread_rwlock_wrlock (&r);
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if (e == 0)
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{
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puts ("rwlock_wrlock on rwlock with writer succeeded");
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return 1;
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}
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if (e != EDEADLK)
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{
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puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK");
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return 1;
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}
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puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK");
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if (pthread_rwlock_unlock (&r) != 0)
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{
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puts ("rwlock_unlock failed");
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return 1;
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}
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puts ("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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