asyncio.set_event_loop(loop) Equivalent to calling get_event_loop_policy().set_event_loop(loop).

coroutine AbstractEventLoop.connect_write_pipe(protocol_factory, pipe) Register write pipe in eventloop.

data Optional opaque data associated to this file object: for example, this could be used to store a per-client session ID.

select.poll() (Not supported by all operating systems.) Returns a polling object, which supports registering and unregistering

is_set() Return True if and only if the internal flag is true.

coroutine acquire() Acquire the underlying lock. This method blocks until the lock is unlocked

feed_data(data) Feed data bytes in the internal buffer. Any operations waiting for the data will be resumed.

select.PIPE_BUF The minimum number of bytes which can be written without blocking to a pipe when the pipe has been reported

events Events that must be waited for on this file object.

devpoll.close() Close the file descriptor of the polling object.