lock.release() Releases the lock. The lock must have been acquired earlier, but not necessarily by the same thread.

concurrent.futures.wait(fs, timeout=None, return_when=ALL_COMPLETED) Wait for the Future instances (possibly created

multiprocessing.Value(typecode_or_type, *args, lock=True) Return a

Barrier(parties[, action[, timeout]]) Create a shared

multiprocessing.Pipe([duplex]) Returns a pair (conn1, conn2) of Connection objects representing the

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

imap(func, iterable[, chunksize]) A lazier version of

Queue.empty() Return True if the queue is empty, False otherwise. If empty() returns True

exception subprocess.SubprocessError Base class for all other exceptions from this module.

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