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Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/mutex6d.c')
-rw-r--r--winsup/testsuite/winsup.api/pthread/mutex6d.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/mutex6d.c b/winsup/testsuite/winsup.api/pthread/mutex6d.c
index bcbcd9767..f39c1ac53 100644
--- a/winsup/testsuite/winsup.api/pthread/mutex6d.c
+++ b/winsup/testsuite/winsup.api/pthread/mutex6d.c
@@ -2,7 +2,8 @@
* mutex6d.c
*
* Tests PTHREAD_MUTEX_DEFAULT mutex type.
- * The thread should behave the same way than an errorchecking mutex.
+ * Thread locks mutex twice (recursive lock).
+ * The thread should deadlock.
*
* Depends on API functions:
* pthread_create()
@@ -25,11 +26,12 @@ void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
- assert(pthread_mutex_lock(&mutex) == EDEADLK);
+
+ /* Should wait here (deadlocked) */
+ assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_unlock(&mutex) == 0);
- assert(pthread_mutex_unlock(&mutex) == EPERM);
-
+
return (void *) 555;
}
@@ -37,25 +39,30 @@ int
main()
{
pthread_t t;
- int result = 0;
int mxType = -1;
assert(pthread_mutexattr_init(&mxAttr) == 0);
assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_DEFAULT) == 0);
assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
- assert(mxType == PTHREAD_MUTEX_DEFAULT);
+ assert(mxType == PTHREAD_MUTEX_NORMAL);
assert(pthread_mutex_init(&mutex, &mxAttr) == 0);
assert(pthread_create(&t, NULL, locker, NULL) == 0);
-
- assert(pthread_join(t, (void **) &result) == 0);
- assert(result == 555);
- assert(lockCount == 2);
+ Sleep(1000);
- assert(pthread_mutex_destroy(&mutex) == 0);
- assert(pthread_mutexattr_destroy(&mxAttr) == 0);
+ 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);