poll.modify(fd, eventmask) Modifies an already registered fd. This has the same effect as register(fd, eventmask)

asyncio.set_event_loop_policy(policy) Set the current event loop policy. If policy is None, the default

class asyncio.Future(*, loop=None) This class is almost compatible with

asyncio.shield(arg, *, loop=None) Wait for a future, shielding it from cancellation. The statement:

close() Ask the subprocess to stop by calling the terminate() method if the subprocess hasn’t returned yet, and

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

abort() Close the transport immediately, without waiting for pending operations to complete. Buffered data will be lost. No

BaseProtocol.pause_writing() Called when the transport’s buffer goes over the high-water mark.

devpoll.register(fd[, eventmask]) Register a file descriptor with the polling object. Future calls to the poll()

notify(n=1) By default, wake up one coroutine waiting on this condition, if any. If the calling coroutine has not acquired the