cancel() Attempt to cancel the call. If the call is currently being executed and cannot be cancelled then the method will return

exception concurrent.futures.TimeoutError Raised when a future operation exceeds the given timeout.

wait([timeout]) Wait until the result is available or until timeout seconds pass.

multiprocessing.get_context(method=None) Return a context object which has the same attributes as the multiprocessing

multiprocessing.sharedctypes.RawValue(typecode_or_type, *args) Return a ctypes object allocated from shared memory.

release() Release the underlying lock. This method calls the corresponding method on the underlying lock; there is no return

class threading.Lock The class implementing primitive lock objects. Once a thread has acquired a lock, subsequent attempts to

Queue.join() Blocks until all items in the queue have been gotten and processed. The count of

done() Return True if the call was successfully cancelled or finished running.

threading.stack_size([size]) Return the thread stack size used when creating new threads. The optional size argument