Add missing looping event schedule signal

src/core/core_timing.cpp

@@ -143,6 +143,7 @@ void CoreTiming::ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
                                       std::chrono::nanoseconds resched_time,
                                       const std::shared_ptr<EventType>& event_type,
                                       std::uintptr_t user_data, bool absolute_time) {
+    {
         std::scoped_lock scope{basic_lock};
         const auto next_time{absolute_time ? start_time : GetGlobalTimeNs() + start_time};
 
@@ -150,6 +151,9 @@ void CoreTiming::ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
             Event{next_time.count(), event_fifo_id++, user_data, event_type, resched_time.count()});
 
         std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
+    }
+
+    event.Set();
 }
 
 void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,