def check_port(self, port):
        """
        Attempts to bind to the requested communicator port, checking if it is already in use.
        """
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        try:
            s.bind(("localhost", port))
        except socket.error:
            raise UnityWorkerInUseException(self.worker_id)
        finally:
            s.close()