INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE BY NAME
AH = 1Dh
DS:SI -> 8-byte name
Return; AH = status
00h semaphore not in use
01h semaphore owned by another task
02h invalid semaphore number
03h caller owns semaphore
04h out of string space
Notes:  (see AH=10h"MultiDOS")
equivalent to AH=1Ah followed by AH=10h
SeeAlso: AH=1Ah"MultiDOS",AH=1Bh"MultiDOS",AH=1Ch"MultiDOS"

See also: 1510

151D - MultiDOS Plus - TEST RESOURCE SEMAPHORE BY NAME