/* 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/>. */ /* This test case checks more than standard compliance. An implementation may provide this service but it is not required to do so. */ #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_trywrlock (&r) != 0) { puts ("rwlock_trywrlock on unlocked rwlock failed"); return 1; } puts ("rwlock_trywrlock on unlocked rwlock succeeded"); e = pthread_rwlock_rdlock (&r); if (e == 0) { puts ("rwlock_rdlock on rwlock with writer succeeded"); return 1; } if (e != EDEADLK) { puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK"); return 1; } puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK"); e = pthread_rwlock_wrlock (&r); if (e == 0) { puts ("rwlock_wrlock on rwlock with writer succeeded"); return 1; } if (e != EDEADLK) { puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK"); return 1; } puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK"); if (pthread_rwlock_unlock (&r) != 0) { puts ("rwlock_unlock failed"); return 1; } puts ("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"