sys.thread

A Deque is a double-ended queue with a pop method that can block until an element is available. It is commonly used to synchronize threads.

An event loop implementation used for sys.thread.Thread

A Lock allows blocking execution until it has been unlocked. It keeps track of how often release has been called, and blocks exactly as many wait calls.

Creates a mutex, which can be used to acquire a temporary lock to access some ressource. The main difference with a lock is that a mutex must always be released by the owner thread.