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author | Thomas Pfaff <tpfaff@gmx.net> | 2003-03-18 19:42:43 +0000 |
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committer | Thomas Pfaff <tpfaff@gmx.net> | 2003-03-18 19:42:43 +0000 |
commit | 0bad7c2e26b90c872f9ed1dabfd0b28054c63dee (patch) | |
tree | 69525b495030321e81ade3590d011e0027a175bb /winsup/testsuite/winsup.api/pthread/mutex6n.c | |
parent | 2ff03dc2e01dbf0525ad32960612b5df0c6cb9f8 (diff) | |
download | cygnal-0bad7c2e26b90c872f9ed1dabfd0b28054c63dee.tar.gz cygnal-0bad7c2e26b90c872f9ed1dabfd0b28054c63dee.tar.bz2 cygnal-0bad7c2e26b90c872f9ed1dabfd0b28054c63dee.zip |
* winsup.api/pthread/mutex1n.c: New test.
* winsup.api/pthread/mutex6n.c: Ditto.
* winsup.api/pthread/mutex7n.c: Ditto.
Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/mutex6n.c')
-rw-r--r-- | winsup/testsuite/winsup.api/pthread/mutex6n.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/mutex6n.c b/winsup/testsuite/winsup.api/pthread/mutex6n.c new file mode 100644 index 000000000..38cbba034 --- /dev/null +++ b/winsup/testsuite/winsup.api/pthread/mutex6n.c @@ -0,0 +1,72 @@ +/* + * mutex6n.c + * + * Tests PTHREAD_MUTEX_NORMAL mutex type. + * Thread locks mutex twice (recursive lock). + * The thread should deadlock. + * + * Depends on API functions: + * pthread_create() + * pthread_mutexattr_init() + * pthread_mutexattr_settype() + * pthread_mutexattr_gettype() + * pthread_mutex_init() + * pthread_mutex_lock() + * pthread_mutex_unlock() + */ + +#include "test.h" + +static int lockCount = 0; + +static pthread_mutex_t mutex; +static pthread_mutexattr_t mxAttr; + +void * locker(void * arg) +{ + assert(pthread_mutex_lock(&mutex) == 0); + lockCount++; + + /* Should wait here (deadlocked) */ + assert(pthread_mutex_lock(&mutex) == 0); + lockCount++; + assert(pthread_mutex_unlock(&mutex) == 0); + + return (void *) 555; +} + +int +main() +{ + pthread_t t; + int mxType = -1; + + assert(pthread_mutexattr_init(&mxAttr) == 0); + assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_NORMAL) == 0); + assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0); + assert(mxType == PTHREAD_MUTEX_NORMAL); + + assert(pthread_mutex_init(&mutex, &mxAttr) == 0); + + assert(pthread_create(&t, NULL, locker, NULL) == 0); + + Sleep(1000); + + assert(lockCount == 1); + + /* + * Should succeed even though we don't own the lock + * because FAST mutexes don't check ownership. + */ + assert(pthread_mutex_unlock(&mutex) == 0); + + Sleep (1000); + + assert(lockCount == 2); + + exit(0); + + /* Never reached */ + return 0; +} + |