Class MUTEX

-- Create mutex.
-- (From ANY)

Use make instead

-- Create mutex.

-- Is mutex initialized?

-- Destroy mutex.

-- Lock mutex, waiting if necessary until that becomes possible.

-- Has client been successful in locking mutex without waiting?

-- Unlock mutex.

-- Has client been successful in locking mutex without waiting?

Use try_lock instead

-- Has client been successful in locking mutex without waiting?

Use try_lock instead

-- C reference to the mutex.