/* --- helper functions --- */
uint64_t model_rmwrcas_action_helper(void *obj, int atomic_index, uint64_t oldval, int size, const char *position) {
ensureModel();
- return model->switch_to_master(new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj, oldval, size));
+ return model->switch_thread(new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj, oldval, size));
}
uint64_t model_rmwr_action_helper(void *obj, int atomic_index, const char *position) {
void model_rmwc_action_helper(void *obj, int atomic_index, const char *position) {
ensureModel();
- model->switch_to_master(new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj));
+ model->switch_thread(new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj));
}
// cds volatile loads
#define VOLATILELOAD(size) \
uint ## size ## _t cds_volatile_load ## size(void * obj, const char * position) { \
ensureModel(); \
- return (uint ## size ## _t)model->switch_to_master(new ModelAction(ATOMIC_READ, position, memory_order_volatile_load, obj)); \
+ return (uint ## size ## _t)model->switch_thread(new ModelAction(ATOMIC_READ, position, memory_order_volatile_load, obj)); \
}
VOLATILELOAD(8)
#define VOLATILESTORE(size) \
void cds_volatile_store ## size (void * obj, uint ## size ## _t val, const char * position) { \
ensureModel(); \
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, memory_order_volatile_store, obj, (uint64_t) val)); \
+ model->switch_thread(new ModelAction(ATOMIC_WRITE, position, memory_order_volatile_store, obj, (uint64_t) val)); \
*((volatile uint ## size ## _t *)obj) = val; \
thread_id_t tid = thread_current()->get_id(); \
for(int i=0;i < size / 8;i++) { \
#define CDSATOMICINT(size) \
void cds_atomic_init ## size (void * obj, uint ## size ## _t val, const char * position) { \
ensureModel(); \
- model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)); \
+ model->switch_thread(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)); \
*((volatile uint ## size ## _t *)obj) = val; \
thread_id_t tid = thread_current()->get_id(); \
for(int i=0;i < size / 8;i++) { \
#define CDSATOMICLOAD(size) \
uint ## size ## _t cds_atomic_load ## size(void * obj, int atomic_index, const char * position) { \
ensureModel(); \
- uint ## size ## _t val = (uint ## size ## _t)model->switch_to_master( \
+ uint ## size ## _t val = (uint ## size ## _t)model->switch_thread( \
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)); \
thread_id_t tid = thread_current()->get_id(); \
for(int i=0;i < size / 8;i++) { \
// cds atomic thread fence
void cds_atomic_thread_fence(int atomic_index, const char * position) {
- model->switch_to_master(
+ model->switch_thread(
new ModelAction(ATOMIC_FENCE, position, orders[atomic_index], FENCE_LOCATION)
);
}
void ModelChecker::consumeAction()
{
ModelAction *curr = chosen_thread->get_pending();
- chosen_thread->set_pending(NULL);
- chosen_thread = execution->take_step(curr);
+ Thread * th = thread_current();
+ if (curr->get_type() == THREAD_FINISH && th != NULL) {
+ // Thread finish must be consumed in the master context
+ scheduler->set_current_thread(NULL);
+ if (Thread::swap(th, &system_context) < 0) {
+ perror("swap threads");
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ chosen_thread->set_pending(NULL);
+ chosen_thread = execution->take_step(curr);
+ }
}
void ModelChecker::chooseThread(ModelAction *act, Thread *thr)
if (old->is_waiting_on(old))
assert_bug("Deadlock detected (thread %u)", curr_thread_num);
- ModelAction *act2 = old->get_pending();
-
- if (act2 && execution->is_enabled(old) && !execution->check_action_enabled(act2)) {
+ if (act && execution->is_enabled(old) && !execution->check_action_enabled(act)) {
scheduler->sleep(old);
}
-// chooseThread(act2, old);
+// chooseThread(act, old);
curr_thread_num++;
Thread* next = getNextThread();