coroutine asyncio.wait(futures, *, loop=None, timeout=None, return_when=ALL_COMPLETED) Wait for the Futures and coroutine objects

select.select(rlist, wlist, xlist[, timeout]) This is a straightforward interface to the Unix select() system call

class asyncio.StreamReaderProtocol(stream_reader, client_connected_cb=None, loop=None) Trivial helper class to adapt between

returncode Return code of the process when it exited. A None value indicates that the process has not terminated

add_done_callback(fn) Add a callback to be run when the future becomes done. The callback is

class selectors.BaseSelector A BaseSelector is used to wait for I/O event readiness on multiple file objects. It

class asyncio.SelectorEventLoop Event loop based on the

print_stack(*, limit=None, file=None) Print the stack or traceback for this task’s coroutine. This

kill(self) Kill the subprocess, as in

class asyncio.DatagramProtocol The base class for implementing datagram protocols (for use with e.g. UDP transports).