class multiprocessing.BoundedSemaphore([value]) A bounded semaphore object: a close analog of

class queue.LifoQueue(maxsize=0) Constructor for a LIFO queue. maxsize is an integer that sets the upperbound limit

output Output of the child process if it was captured by run() or check_output(). Otherwise, None

map(func, iterable[, chunksize]) A parallel equivalent of the

is_set() Return true if and only if the internal flag is true.

daemon A boolean value indicating whether this thread is a daemon thread (True) or not (False). This must be set before start()

_thread.LockType This is the type of lock objects.

map(func, *iterables, timeout=None, chunksize=1) Equivalent to

Popen.pid The process ID of the child process. Note that if you set the shell argument

run() Method representing the thread’s activity. You may override this method in a subclass