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