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

cancelled() Return True if the call was successfully cancelled.

_thread.interrupt_main() Raise a

acquire(block=True, timeout=None) Acquire a lock, blocking or non-blocking. When invoked with

Source code: Lib/_dummy_thread

get_nowait() Equivalent to get(False).

class multiprocessing.SimpleQueue It is a simplified Queue type, very close to a locked Pipe.

RLock() Create a shared

cancel_join_thread() Prevent join_thread() from blocking. In particular, this prevents the background thread from

multiprocessing.connection.wait(object_list, timeout=None) Wait till an object in object_list is ready. Returns the