title: How to subscribe the notification from worker threads?
body: <p>I follow MVC design. I have three Controller parts which runs in main GUI thread. Also have another worker thread which processed some I/O stuffs. Once the worker thread finishes its task, all three controllers should get notification. Can anyone suggest me a solution for this ?</p>
  
  <p>I am using PyQT. So is there any way like; subscribe the events from a worker thread to multiple controller parts ?</p>