devpoll.closed True if the polling object is closed.

get_extra_info(name, default=None) Return optional transport information: see

qsize() Number of items in the queue.

class asyncio.Condition(lock=None, *, loop=None) A Condition implementation, asynchronous equivalent to

coroutine asyncio.start_server(client_connected_cb, host=None, port=None, *, loop=None, limit=None, **kwds) Start a socket server

coroutine asyncio.start_unix_server(client_connected_cb, path=None, *, loop=None, limit=None, **kwds) Start a UNIX Domain Socket

epoll.register(fd[, eventmask]) Register a fd descriptor with the epoll object.

write_eof() Close the write end of the transport after flushing buffered data. Data may still be received.

abstractmethod select(timeout=None) Wait until some registered file objects become ready, or the timeout expires.

coroutine get() Remove and return an item from the queue. If queue is empty, wait until an item is available.