delete cv;
}
+void ModelAction::copy_from_new(ModelAction *newaction) {
+ seq_number=newaction->seq_number;
+}
+
bool ModelAction::is_mutex_op() const {
return type == ATOMIC_LOCK || type == ATOMIC_TRYLOCK || type == ATOMIC_UNLOCK;
}
return false;
}
+bool ModelAction::is_conflicting_lock(const ModelAction *act) const
+{
+ //Must be different threads to reorder
+ if (same_thread(act))
+ return false;
+
+ //Try to reorder a lock past a successful lock
+ if (act->is_success_lock())
+ return true;
+
+ //Try to push a successful trylock past an unlock
+ if (act->is_unlock() && is_trylock() && value == VALUE_TRYSUCCESS)
+ return true;
+
+ return false;
+}
+
void ModelAction::create_cv(const ModelAction *parent)
{
if (cv)
* @param act The ModelAction to synchronize with
*/
void ModelAction::synchronize_with(const ModelAction *act) {
- ASSERT(*act < *this || type == THREAD_JOIN);
+ ASSERT(*act < *this || type == THREAD_JOIN || type == ATOMIC_LOCK );
model->check_promises(cv, act->cv);
cv->merge(act->cv);
}
case ATOMIC_INIT:
type_str = "init atomic";
break;
+ case ATOMIC_LOCK:
+ type_str = "lock";
+ break;
+ case ATOMIC_UNLOCK:
+ type_str = "unlock";
+ break;
+ case ATOMIC_TRYLOCK:
+ type_str = "trylock";
+ break;
default:
type_str = "unknown type";
}