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Diffstat (limited to 'tests/robust5.c')
-rwxr-xr-x | tests/robust5.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tests/robust5.c b/tests/robust5.c new file mode 100755 index 0000000..c67d124 --- /dev/null +++ b/tests/robust5.c @@ -0,0 +1,120 @@ +/* + * robust5.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 + * + * -------------------------------------------------------------------------- + * + * Thread A locks multiple robust mutexes + * Thread B blocks on same mutexes + * Thread A terminates with thread waiting on mutexes + * Thread B awakes and inherits each mutex in turn + * Thread B terminates leaving orphaned mutexes + * Main inherits mutexes, sets consistent and unlocks. + * + * Depends on API functions: + * pthread_create() + * pthread_join() + * pthread_mutex_init() + * pthread_mutex_lock() + * pthread_mutex_unlock() + * pthread_mutex_destroy() + * pthread_mutexattr_init() + * pthread_mutexattr_setrobust() + * pthread_mutexattr_settype() + * pthread_mutexattr_destroy() + */ + +#include "test.h" + +static int lockCount; + +static pthread_mutex_t mutex[3]; + +void * owner(void * arg) +{ + assert(pthread_mutex_lock(&mutex[0]) == 0); + lockCount++; + assert(pthread_mutex_lock(&mutex[1]) == 0); + lockCount++; + assert(pthread_mutex_lock(&mutex[2]) == 0); + lockCount++; + + return 0; +} + +void * inheritor(void * arg) +{ + assert(pthread_mutex_lock(&mutex[0]) == EOWNERDEAD); + lockCount++; + assert(pthread_mutex_lock(&mutex[1]) == EOWNERDEAD); + lockCount++; + assert(pthread_mutex_lock(&mutex[2]) == EOWNERDEAD); + lockCount++; + + return 0; +} + +int +main() +{ + pthread_t to, ti; + pthread_mutexattr_t ma; + + assert(pthread_mutexattr_init(&ma) == 0); + assert(pthread_mutexattr_setrobust(&ma, PTHREAD_MUTEX_ROBUST) == 0); + + lockCount = 0; + assert(pthread_mutex_init(&mutex[0], &ma) == 0); + assert(pthread_mutex_init(&mutex[1], &ma) == 0); + assert(pthread_mutex_init(&mutex[2], &ma) == 0); + assert(pthread_create(&to, NULL, owner, NULL) == 0); + assert(pthread_join(to, NULL) == 0); + assert(pthread_create(&ti, NULL, inheritor, NULL) == 0); + assert(pthread_join(ti, NULL) == 0); + assert(lockCount == 6); + assert(pthread_mutex_lock(&mutex[0]) == EOWNERDEAD); + assert(pthread_mutex_consistent(&mutex[0]) == 0); + assert(pthread_mutex_unlock(&mutex[0]) == 0); + assert(pthread_mutex_destroy(&mutex[0]) == 0); + assert(pthread_mutex_lock(&mutex[1]) == EOWNERDEAD); + assert(pthread_mutex_consistent(&mutex[1]) == 0); + assert(pthread_mutex_unlock(&mutex[1]) == 0); + assert(pthread_mutex_destroy(&mutex[1]) == 0); + assert(pthread_mutex_lock(&mutex[2]) == EOWNERDEAD); + assert(pthread_mutex_consistent(&mutex[2]) == 0); + assert(pthread_mutex_unlock(&mutex[2]) == 0); + assert(pthread_mutex_destroy(&mutex[2]) == 0); + + assert(pthread_mutexattr_destroy(&ma) == 0); + + return 0; +} |