-
-/*
- * Return 1 if found next thread, 0 otherwise
- */
-static int thread_system_next(void)
-{
- Thread *curr, *next;
-
- curr = thread_current();
- model->check_current_action();
- if (curr) {
- if (curr->get_state() == THREAD_READY)
- model->scheduler->add_thread(curr);
- else if (curr->get_state() == THREAD_RUNNING)
- /* Stopped while running; i.e., completed */
- curr->complete();
- else
- DEBUG("ERROR: current thread in unexpected state??\n");
- }
- next = model->scheduler->next_thread();
- if (next)
- next->set_state(THREAD_RUNNING);
- DEBUG("(%d, %d)\n", curr ? curr->get_id() : -1, next ? next->get_id() : -1);
- if (!next)
- return 1;
- return model->system_thread->swap(next);
-}
-
-static void thread_wait_finish(void)
-{
-
- DBG();
-
- while (!thread_system_next());
-}
-
-/*
- * Main system function
- */
-int main()
-{
- thrd_t user_thread, main_thread;
- Thread *th;
-
- model = new ModelChecker();
-
- th = new Thread(&main_thread);
-
- do {
- /* Start user program */
- thrd_create(&user_thread, &user_main, NULL);
-
- /* Wait for all threads to complete */
- thread_wait_finish();
- } while (model->next_execution());
-
- delete th;
- delete model;
-
- DEBUG("Exiting\n");
- return 0;
-}