The LocalLock is an implementation of the LockClient_i/Lock_i structure That is designed to be used in a non-distributed environment It uses a cache of Mutexes which are locked and unlocked according to a specified key.

Lock_i is an instance of a Lock in the set of LockClient_i locks It requires 3 methods for implementation - Lock: which attempts to establish a lock on its key - Unlock: which attempts to remove a lock on its key - Destroy: which deletes the Lock_i's key from its parent client.