AbstractEventLoop.call_soon_threadsafe(callback, *args) Like call_soon(), but thread safe. See

class selectors.DefaultSelector The default selector class, using the most efficient implementation available on the current

coroutine AbstractEventLoop.connect_read_pipe(protocol_factory, pipe) Register read pipe in eventloop.

cancelled() Return True if the future was cancelled.

kqueue.closed True if the kqueue object is closed.

exception() Return the exception that was set on this future. The exception (or None

set() Set the internal flag to true. All coroutines waiting for it to become true are awakened. Coroutine that call

kevent.fflags Filter specific flags. KQ_FILTER_READ and KQ_FILTER_WRITE

at_eof() Return True if the buffer is empty and feed_eof() was called.

select.devpoll() (Only supported on Solaris and derivatives.) Returns a /dev/poll polling object; see section /dev/poll