RFC 7231 HYPERTEXT SWITCH PROTOCOL HTTP 1 1: SEMANTICS AND CONTENT

This can be known as from any course of or thread, not onlythe course of or thread which initially acquired the lock. With the block argument set to False, the tactic call does notblock. If the lock is currently in a locked state, return False;in any other case set the lock to a locked state and return True. If a process is killed whereas it's maki