Int 15 Fn 10  - Multidos Plus - Test Resource Semaphore                    [T]

   AH = 10h
   AL = semaphore number (00h-3Fh)

Return: AH = status
       00h semaphore not in use
       01h semaphore owned by another task
       02h invalid semaphore number
       03h semaphore owned by caller

See Also: AH=02h"MultiDOS",AH=0Dh"MultiDOS",AH=1Dh"MultiDOS"