fileno() This returns the file descriptor used by the underlying

coroutine wait() Wait until notified. If the calling coroutine has not acquired the lock when

coroutine AbstractEventLoop.sock_sendall(sock, data) Send data to the socket. Modeled after blocking

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

terminate() Stop the child. On Posix OSs the method sends signal.SIGTERM to the child. On Windows the Win32 API

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

abstractmethod register(fileobj, events, data=None) Register a file object for selection, monitoring it for I/O events.

exception asyncio.TimeoutError The operation exceeded the given deadline.

AbstractEventLoop.call_exception_handler(context) Call the current event loop exception handler.

asyncio.iscoroutinefunction(func) Return True if func is determined to be a coroutine function