scheduler.cancel(event) Remove the event from the queue. If event is not an event currently in the queue, this method

Popen.stdin If the stdin argument was PIPE, this attribute is a writeable stream object as returned by

_getvalue() Return a copy of the referent. If the referent is unpicklable then this will raise

Queue([maxsize]) Create a shared

Namespace() Create a shared Namespace object and return a proxy for it.

lock.locked() Return the status of the lock: True if it has been acquired by some thread, False if

Queue.put_nowait(item) Equivalent to put(item, False).

class threading.Event Class implementing event objects. An event manages a flag that can be set to true with the set()

class subprocess.Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None, preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None, un

multiprocessing.sharedctypes.Array(typecode_or_type, size_or_initializer, *, lock=True) The same as RawArray()