code: def terminate(self, nowait=False):
          
          logger.debug("Acquiring lock for service termination")
          with self.lock:
              logger.debug("Terminating service")
  
              if not self.listener:
                  logger.warning("Service already stopped.")
                  return
  
              self.listener.stop(nowait)
  
              try:
                  if not nowait:
                      self._post_log_batch()
              except Exception:
                  if self.error_handler:
                      self.error_handler(sys.exc_info())
                  else:
                      raise
              finally:
                  self.queue = None
                  self.listener = None
docs: Finalize and stop service
  
          Args:
              nowait: set to True to terminate immediately and skip processing
                  messages still in the queue