2 #include "threads-model.h"
7 /* global "model" object */
10 unsigned int counter = 0; // counter does not to be reset to zero. It is
11 // find as long as it is unique.
13 int pthread_create(pthread_t *t, const pthread_attr_t * attr,
14 pthread_start_t start_routine, void * arg) {
15 struct pthread_params params = { start_routine, arg };
20 ModelAction *act = new ModelAction(PTHREAD_CREATE, std::memory_order_seq_cst, t, (uint64_t)¶ms);
21 model->pthread_map[*t] = act;
23 /* seq_cst is just a 'don't care' parameter */
24 model->switch_to_master(act);
29 int pthread_join(pthread_t t, void **value_ptr) {
30 ModelAction *act = model->pthread_map[t];
31 Thread *th = act->get_thread_operand();
33 model->switch_to_master(new ModelAction(PTHREAD_JOIN, std::memory_order_seq_cst, th, id_to_int(th->get_id())));
36 void *rtval = th->get_pthread_return();
42 void pthread_exit(void *value_ptr) {
43 Thread * th = thread_current();
44 model->switch_to_master(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, th));
47 int pthread_mutex_init(pthread_mutex_t *p_mutex, const pthread_mutexattr_t *) {
48 if (model->mutex_map.find(p_mutex) != model->mutex_map.end() ) {
49 model_print("Reinitialize a lock\n");
50 // return 1; // 0 means success; 1 means failure
53 std::mutex *m = new std::mutex();
55 model->mutex_map[p_mutex] = m;
59 int pthread_mutex_lock(pthread_mutex_t *p_mutex) {
60 std::mutex *m = model->mutex_map[p_mutex];
65 int pthread_mutex_trylock(pthread_mutex_t *p_mutex) {
66 std::mutex *m = model->mutex_map[p_mutex];
70 int pthread_mutex_unlock(pthread_mutex_t *p_mutex) {
71 std::mutex *m = model->mutex_map[p_mutex];
77 for (std::map<pthread_t, ModelAction*>::iterator it = model->pthread_map.begin(); it != model->pthread_map.end(); it++) {
78 model_print("id: %d\n", it->first);