than 1, but a lock can only be owned by a single thread at a time.
Second, a semaphore does not have an owner, meaning that one thread
can ``down'' the semaphore and then another one ``up'' it, but with a
than 1, but a lock can only be owned by a single thread at a time.
Second, a semaphore does not have an owner, meaning that one thread
can ``down'' the semaphore and then another one ``up'' it, but with a