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Diffstat (limited to 'tests/robust4.c')
| -rwxr-xr-x | tests/robust4.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/tests/robust4.c b/tests/robust4.c new file mode 100755 index 0000000..136a183 --- /dev/null +++ b/tests/robust4.c @@ -0,0 +1,199 @@ +/* + * robust4.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 in different orderings + * Thread A terminates with thread waiting on mutexes + * Thread B awakes and inherits each mutex in turn, sets consistent and unlocks + * Main acquires mutexes with recovered state. + * + * 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++; + Sleep(200); + + return 0; +} + +void * inheritor(void * arg) +{ + int* o = (int*)arg; + + assert(pthread_mutex_lock(&mutex[o[0]]) == EOWNERDEAD); + lockCount++; + assert(pthread_mutex_lock(&mutex[o[1]]) == EOWNERDEAD); + lockCount++; + assert(pthread_mutex_lock(&mutex[o[2]]) == EOWNERDEAD); + lockCount++; + assert(pthread_mutex_consistent(&mutex[o[2]]) == 0); + assert(pthread_mutex_consistent(&mutex[o[1]]) == 0); + assert(pthread_mutex_consistent(&mutex[o[0]]) == 0); + assert(pthread_mutex_unlock(&mutex[o[2]]) == 0); + assert(pthread_mutex_unlock(&mutex[o[1]]) == 0); + assert(pthread_mutex_unlock(&mutex[o[0]]) == 0); + + return 0; +} + +int +main() +{ + pthread_t to, ti; + pthread_mutexattr_t ma; + int order[3]; + + assert(pthread_mutexattr_init(&ma) == 0); + assert(pthread_mutexattr_setrobust(&ma, PTHREAD_MUTEX_ROBUST) == 0); + + order[0]=0; + order[1]=1; + order[2]=2; + 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); + Sleep(100); + assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0); + assert(pthread_join(to, NULL) == 0); + assert(pthread_join(ti, NULL) == 0); + assert(lockCount == 6); + assert(pthread_mutex_lock(&mutex[0]) == 0); + assert(pthread_mutex_unlock(&mutex[0]) == 0); + assert(pthread_mutex_destroy(&mutex[0]) == 0); + assert(pthread_mutex_lock(&mutex[1]) == 0); + assert(pthread_mutex_unlock(&mutex[1]) == 0); + assert(pthread_mutex_destroy(&mutex[1]) == 0); + assert(pthread_mutex_lock(&mutex[2]) == 0); + assert(pthread_mutex_unlock(&mutex[2]) == 0); + assert(pthread_mutex_destroy(&mutex[2]) == 0); + + order[0]=1; + order[1]=0; + order[2]=2; + 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); + Sleep(100); + assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0); + assert(pthread_join(to, NULL) == 0); + assert(pthread_join(ti, NULL) == 0); + assert(lockCount == 6); + assert(pthread_mutex_lock(&mutex[0]) == 0); + assert(pthread_mutex_unlock(&mutex[0]) == 0); + assert(pthread_mutex_destroy(&mutex[0]) == 0); + assert(pthread_mutex_lock(&mutex[1]) == 0); + assert(pthread_mutex_unlock(&mutex[1]) == 0); + assert(pthread_mutex_destroy(&mutex[1]) == 0); + assert(pthread_mutex_lock(&mutex[2]) == 0); + assert(pthread_mutex_unlock(&mutex[2]) == 0); + assert(pthread_mutex_destroy(&mutex[2]) == 0); + + order[0]=0; + order[1]=2; + order[2]=1; + 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); + Sleep(100); + assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0); + assert(pthread_join(to, NULL) == 0); + assert(pthread_join(ti, NULL) == 0); + assert(lockCount == 6); + assert(pthread_mutex_lock(&mutex[0]) == 0); + assert(pthread_mutex_unlock(&mutex[0]) == 0); + assert(pthread_mutex_destroy(&mutex[0]) == 0); + assert(pthread_mutex_lock(&mutex[1]) == 0); + assert(pthread_mutex_unlock(&mutex[1]) == 0); + assert(pthread_mutex_destroy(&mutex[1]) == 0); + assert(pthread_mutex_lock(&mutex[2]) == 0); + assert(pthread_mutex_unlock(&mutex[2]) == 0); + assert(pthread_mutex_destroy(&mutex[2]) == 0); + + order[0]=2; + order[1]=1; + order[2]=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); + Sleep(100); + assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0); + assert(pthread_join(to, NULL) == 0); + assert(pthread_join(ti, NULL) == 0); + assert(lockCount == 6); + assert(pthread_mutex_lock(&mutex[0]) == 0); + assert(pthread_mutex_unlock(&mutex[0]) == 0); + assert(pthread_mutex_destroy(&mutex[0]) == 0); + assert(pthread_mutex_lock(&mutex[1]) == 0); + assert(pthread_mutex_unlock(&mutex[1]) == 0); + assert(pthread_mutex_destroy(&mutex[1]) == 0); + assert(pthread_mutex_lock(&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; +} |