AbstractEventLoop.add_writer(fd, callback, *args) Start watching the file descriptor for write availability and then call the

asyncio.iscoroutine(obj) Return True if obj is a coroutine object, which may be based on

devpoll.unregister(fd) Remove a file descriptor being tracked by a polling object. Just like the register() method

kill() Kills the child. On Posix OSs the function sends SIGKILL to the child. On Windows kill() is

coroutine readexactly(n) Read exactly n bytes. Raise an IncompleteReadError if the end of the stream is

class asyncio.PriorityQueue A subclass of Queue; retrieves entries in priority order (lowest first).

set_event_loop(loop) Set the event loop for the current context to loop.

transport Transport.

set_write_buffer_limits(high=None, low=None) Set the high- and low-water limits for write flow control.

coroutine put(item) Put an item into the queue. If the queue is full, wait until a free slot is available before adding item