_thread.exit() Raise the

class concurrent.futures.ThreadPoolExecutor(max_workers=None) An Executor subclass that uses a pool of at most

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

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

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.

connect() Connect a local manager object to a remote manager process:

acquire(block=True, timeout=None) Acquire a lock, blocking or non-blocking. With the block

class threading.RLock This class implements reentrant lock objects. A reentrant lock must be released by the thread that acquired

_thread.get_ident() Return the ‘thread identifier’ of the current thread. This is a nonzero integer. Its value has no direct