def METHOD_NAME(self) -> None:
    """Setup acceptors."""
    self._start()
    execution_mode = (
        'threadless (local)'
        if self.flags.local_executor
        else 'threadless (remote)'
    ) if self.flags.threadless else 'threaded'
    logger.info(
        'Started %d acceptors in %s mode' % (
            self.flags.num_acceptors,
            execution_mode,
        ),
    )
    # Send file descriptor to all acceptor processes.
    for index in range(self.flags.num_acceptors):
        self.fd_queues[index].send(len(self.listeners.pool))
        for listener in self.listeners.pool:
            fd = listener.fileno()
            assert fd is not None
            send_handle(
                self.fd_queues[index],
                fd,
                self.acceptors[index].pid,
            )
        self.fd_queues[index].close()