Modify the implementation of wait and timed wait operation
[c11tester.git] / pthread.cc
index 63060d898eb2af5c8db5c995dd24a7c5f1e63710..d48d34b0291fd3d41328fabddc973810508bf4ff 100644 (file)
@@ -189,6 +189,8 @@ int pthread_cond_wait(pthread_cond_t *p_cond, pthread_mutex_t *p_mutex) {
        ModelExecution *execution = model->get_execution();
        if ( !execution->getCondMap()->contains(p_cond) )
                pthread_cond_init(p_cond, NULL);
+       if ( !execution->getMutexMap()->contains(p_mutex) )
+               pthread_mutex_init(p_mutex, NULL);
 
        cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
        cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
@@ -198,8 +200,7 @@ int pthread_cond_wait(pthread_cond_t *p_cond, pthread_mutex_t *p_mutex) {
 }
 
 int pthread_cond_timedwait(pthread_cond_t *p_cond,
-                                                                                                        pthread_mutex_t *p_mutex, const struct timespec *abstime) {
-// implement cond_timedwait as a noop and let the scheduler decide which thread goes next
+       pthread_mutex_t *p_mutex, const struct timespec *abstime) {
        ModelExecution *execution = model->get_execution();
 
        if ( !execution->getCondMap()->contains(p_cond) )
@@ -208,11 +209,12 @@ int pthread_cond_timedwait(pthread_cond_t *p_cond,
                pthread_mutex_init(p_mutex, NULL);
 
        cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
-//     cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
+
+       model->switch_to_master(new ModelAction(ATOMIC_TIMEDWAIT, std::memory_order_seq_cst, v, (uint64_t) m));
+       m->lock();
 
-       model->switch_to_master(new ModelAction(NOOP, std::memory_order_seq_cst, v));
-//     v->wait(*m);
-//     printf("timed_wait called\n");
+       // model_print("Timed_wait is called\n");
        return 0;
 }