INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE
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
SeeAlso: AH=0Dh"MultiDOS",AH=1Dh"MultiDOS"

See also: 1502

1510 - MultiDOS Plus - TEST RESOURCE SEMAPHORE