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

coroutine readline() Read one line, where “line” is a sequence of bytes ending with \n. If

class asyncio.Protocol The base class for implementing streaming protocols (for use with e.g. TCP and SSL transports).

class asyncio.AbstractEventLoop Abstract base class of event loops. This class is

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

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

AbstractEventLoop.is_running() Returns running status of event loop.

send_signal(signal) Send the signal number to the subprocess, as in

coroutine communicate(input=None) Interact with process: Send data to stdin. Read data from stdout and stderr, until end-of-file

kevent.filter Name of the kernel filter.