add pthread_cond_destory
[c11tester.git] / pthread.cc
index 3f642951c1d848c470fe80e2df3c1230f164715a..bad6beae1d60c761aac5f3c887700028f838c958 100644 (file)
@@ -1,7 +1,7 @@
 #include "common.h"
 #include "threads-model.h"
 #include "action.h"
-#include "pthread.h"
+#include "mypthread.h"
 
 #include "snapshot-interface.h"
 #include "datarace.h"
 #include "model.h"
 #include "execution.h"
 
-static void param_defaults(struct model_params *params)
-{
-        params->maxreads = 0;
-        params->maxfuturedelay = 6;
-        params->fairwindow = 0;
-        params->yieldon = false;
-        params->yieldblock = false;
-        params->enabledcount = 1;
-        params->bound = 0;
-        params->maxfuturevalues = 0;
-        params->expireslop = 4;
-        params->verbose = !!DBG_ENABLED();
-        params->uninitvalue = 0;
-        params->maxexecutions = 0;
-}
-
-static void model_main()
-{
-        struct model_params params;
-
-        param_defaults(&params);
-
-        //parse_options(&params, main_argc, main_argv);
-
-        //Initialize race detector
-        initRaceDetector();
-
-        snapshot_stack_init();
-
-        model = new ModelChecker(params);       // L: Model thread is created
-//      install_trace_analyses(model->get_execution());         L: disable plugin
-
-        snapshot_record(0);
-        model->run();
-        delete model;
-
-        DEBUG("Exiting\n");
-}
-
 int pthread_create(pthread_t *t, const pthread_attr_t * attr,
-          pthread_start_t start_routine, void * arg) {
+                                                                        pthread_start_t start_routine, void * arg) {
+       if (!model) {
+               snapshot_system_init(10000, 1024, 1024, 40000);
+               model = new ModelChecker();
+               model->startChecker();
+       }
+
        struct pthread_params params = { start_routine, arg };
 
        ModelAction *act = new ModelAction(PTHREAD_CREATE, std::memory_order_seq_cst, t, (uint64_t)&params);
@@ -76,38 +43,55 @@ int pthread_join(pthread_t t, void **value_ptr) {
                // store return value
                void *rtval = th->get_pthread_return();
                *value_ptr = rtval;
-       } 
+       }
+       return 0;
+}
+
+int pthread_detach(pthread_t t) {
+       //Doesn't do anything
+       //Return success
        return 0;
 }
 
 void pthread_exit(void *value_ptr) {
        Thread * th = thread_current();
        model->switch_to_master(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, th));
+       while(1) ;//make warning goaway
 }
 
 int pthread_mutex_init(pthread_mutex_t *p_mutex, const pthread_mutexattr_t *) {
+       cdsc::snapmutex *m = new cdsc::snapmutex();
+
        if (!model) {
-               snapshot_system_init(10000, 1024, 1024, 40000, &model_main);
+               snapshot_system_init(10000, 1024, 1024, 40000);
+               model = new ModelChecker();
+               model->startChecker();
        }
 
-       cdsc::mutex *m = new cdsc::mutex();
-
        ModelExecution *execution = model->get_execution();
-       execution->mutex_map.put(p_mutex, m);
+       execution->getMutexMap()->put(p_mutex, m);
+
        return 0;
 }
 
 int pthread_mutex_lock(pthread_mutex_t *p_mutex) {
+       if (!model) {
+               snapshot_system_init(10000, 1024, 1024, 40000);
+               model = new ModelChecker();
+               model->startChecker();
+       }
+
+
        ModelExecution *execution = model->get_execution();
 
-       /* to protect the case where PTHREAD_MUTEX_INITIALIZER is used 
+       /* to protect the case where PTHREAD_MUTEX_INITIALIZER is used
           instead of pthread_mutex_init, or where *p_mutex is not stored
           in the execution->mutex_map for some reason. */
-       if (!execution->mutex_map.contains(p_mutex)) {  
+       if (!execution->getMutexMap()->contains(p_mutex)) {
                pthread_mutex_init(p_mutex, NULL);
        }
 
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
 
        if (m != NULL) {
                m->lock();
@@ -119,13 +103,19 @@ int pthread_mutex_lock(pthread_mutex_t *p_mutex) {
 }
 
 int pthread_mutex_trylock(pthread_mutex_t *p_mutex) {
+       if (!model) {
+               snapshot_system_init(10000, 1024, 1024, 40000);
+               model = new ModelChecker();
+               model->startChecker();
+       }
+       
        ModelExecution *execution = model->get_execution();
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
        return m->try_lock();
 }
-int pthread_mutex_unlock(pthread_mutex_t *p_mutex) {   
+int pthread_mutex_unlock(pthread_mutex_t *p_mutex) {
        ModelExecution *execution = model->get_execution();
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
 
        if (m != NULL) {
                m->unlock();
@@ -137,30 +127,30 @@ int pthread_mutex_unlock(pthread_mutex_t *p_mutex) {
 }
 
 int pthread_mutex_timedlock (pthread_mutex_t *__restrict p_mutex,
-                               const struct timespec *__restrict abstime) {
+                                                                                                                const struct timespec *__restrict abstime) {
 // timedlock just gives the option of giving up the lock, so return and let the scheduler decide which thread goes next
 
 /*
-       ModelExecution *execution = model->get_execution();
-       if (!execution->mutex_map.contains(p_mutex)) {  
-               pthread_mutex_init(p_mutex, NULL);
-       }
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
-
-       if (m != NULL) {
-               m->lock();
-       } else {
-               printf("something is wrong with pthread_mutex_timedlock\n");
-       }
-
-       printf("pthread_mutex_timedlock is called. It is currently implemented as a normal lock operation without no timeout\n");
-*/
+        ModelExecution *execution = model->get_execution();
+        if (!execution->mutex_map.contains(p_mutex)) {
+                pthread_mutex_init(p_mutex, NULL);
+        }
+        cdsc::snapmutex *m = execution->mutex_map.get(p_mutex);
+
+        if (m != NULL) {
+                m->lock();
+        } else {
+                printf("something is wrong with pthread_mutex_timedlock\n");
+        }
+
+        printf("pthread_mutex_timedlock is called. It is currently implemented as a normal lock operation without no timeout\n");
+ */
        return 0;
 }
 
 pthread_t pthread_self() {
        Thread* th = model->get_current_thread();
-       return th->get_id();
+       return (pthread_t)th->get_id();
 }
 
 int pthread_key_delete(pthread_key_t) {
@@ -169,39 +159,39 @@ int pthread_key_delete(pthread_key_t) {
 }
 
 int pthread_cond_init(pthread_cond_t *p_cond, const pthread_condattr_t *attr) {
-       cdsc::condition_variable *v = new cdsc::condition_variable();
+       cdsc::snapcondition_variable *v = new cdsc::snapcondition_variable();
 
        ModelExecution *execution = model->get_execution();
-       execution->cond_map.put(p_cond, v);
+       execution->getCondMap()->put(p_cond, v);
        return 0;
 }
 
 int pthread_cond_wait(pthread_cond_t *p_cond, pthread_mutex_t *p_mutex) {
        ModelExecution *execution = model->get_execution();
-       if ( !execution->cond_map.contains(p_cond) )
+       if ( !execution->getCondMap()->contains(p_cond) )
                pthread_cond_init(p_cond, NULL);
 
-       cdsc::condition_variable *v = execution->cond_map.get(p_cond);
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
+       cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
 
        v->wait(*m);
        return 0;
 }
 
-int pthread_cond_timedwait(pthread_cond_t *p_cond, 
-    pthread_mutex_t *p_mutex, const struct timespec *abstime) {
+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
        ModelExecution *execution = model->get_execution();
 
-       if ( !execution->cond_map.contains(p_cond) )
+       if ( !execution->getCondMap()->contains(p_cond) )
                pthread_cond_init(p_cond, NULL);
-       if ( !execution->mutex_map.contains(p_mutex) )
+       if ( !execution->getMutexMap()->contains(p_mutex) )
                pthread_mutex_init(p_mutex, NULL);
 
-       cdsc::condition_variable *v = execution->cond_map.get(p_cond);
-       cdsc::mutex *m = execution->mutex_map.get(p_mutex);
+       cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
+       cdsc::snapmutex *m = execution->getMutexMap()->get(p_mutex);
 
-       model->switch_to_master(new ModelAction(NOOP, std::memory_order_seq_cst, v, NULL));
+       model->switch_to_master(new ModelAction(NOOP, std::memory_order_seq_cst, v));
 //     v->wait(*m);
 //     printf("timed_wait called\n");
        return 0;
@@ -210,22 +200,33 @@ int pthread_cond_timedwait(pthread_cond_t *p_cond,
 int pthread_cond_signal(pthread_cond_t *p_cond) {
        // notify only one blocked thread
        ModelExecution *execution = model->get_execution();
-       if ( !execution->cond_map.contains(p_cond) )
+       if ( !execution->getCondMap()->contains(p_cond) )
                pthread_cond_init(p_cond, NULL);
 
-       cdsc::condition_variable *v = execution->cond_map.get(p_cond);
+       cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
 
        v->notify_one();
        return 0;
 }
 
-void pthread_cleanup_push(void (*routine)(void*), void *arg ) {
-       printf("pthrea cleanup push called\n");
-}
+int pthread_cond_broadcast(pthread_cond_t *p_cond) {
+       // notify all blocked threads
+       ModelExecution *execution = model->get_execution();
+       if ( !execution->getCondMap()->contains(p_cond) )
+               pthread_cond_init(p_cond, NULL);
 
-int pthread_once (pthread_once_t *__once_control,
-                         void (*__init_routine)) {
-       printf("pthread once is called\n");
+       cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
+
+       v->notify_all();
+       return 0;
 }
 
+int pthread_cond_destroy(pthread_cond_t *p_cond) {
+       ModelExecution *execution = model->get_execution();
 
+       if (execution->getCondMap()->contains(p_cond)) {
+               cdsc::snapcondition_variable *v = execution->getCondMap()->get(p_cond);
+               delete v;
+               execution->getCondMap()->remove(p_cond);
+       }
+}