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Diffstat (limited to 'pthreads/tests/rwlock5.c')
-rw-r--r-- | pthreads/tests/rwlock5.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/pthreads/tests/rwlock5.c b/pthreads/tests/rwlock5.c new file mode 100644 index 000000000..75b82f32a --- /dev/null +++ b/pthreads/tests/rwlock5.c @@ -0,0 +1,78 @@ +/* + * rwlock5.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This 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 of the License, or (at your option) any later version. + * + * This 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 this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * + * Declare a static rwlock object, rdlock it, tryrdlock it, + * and then unlock it again. + * + * Depends on API functions: + * pthread_rwlock_rdlock() + * pthread_rwlock_tryrdlock() + * pthread_rwlock_unlock() + */ + +#include "test.h" + +pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER; + +static int washere = 0; + +void * func(void * arg) +{ + assert(pthread_rwlock_tryrdlock(&rwlock1) == 0); + + assert(pthread_rwlock_unlock(&rwlock1) == 0); + + washere = 1; + + return 0; +} + +int +main() +{ + pthread_t t; + + assert(pthread_rwlock_rdlock(&rwlock1) == 0); + + assert(pthread_create(&t, NULL, func, NULL) == 0); + + Sleep(2000); + + assert(pthread_rwlock_unlock(&rwlock1) == 0); + + assert(washere == 1); + + return 0; +} |