close() Indicate that no more data will be put on this queue by the current process. The background thread will quit once it

Event() Create a shared

acquire(blocking=True, timeout=None) Acquire a semaphore. When invoked without arguments: if

lock.acquire(waitflag=1, timeout=-1) Without any optional argument, this method acquires the lock unconditionally, if necessary

daemon The process’s daemon flag, a Boolean value. This must be set before start() is called. The

exception subprocess.TimeoutExpired Subclass of SubprocessError, raised when a timeout expires while waiting for

wait(timeout=None) Pass the barrier. When all the threads party to the barrier have called this function, they are all released

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

class multiprocessing.Barrier(parties[, action[, timeout]]) A barrier object: a clone of

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