And one last fix.

src/cpp11_thread.cpp

@@ -122,7 +122,7 @@ thread_reset_event(event_t *handle)
     std::lock_guard<std::mutex> lock(event->mutex);
 
     event->state = false;
-    // event->cond.notify_all();
+    event->cond.notify_all();
 }
 
 void