Int 21/AX=C504h

AX = C504h
CX:DX = semaphore handle

Return:
AL = status
00h successful
FFh invalid handle

Desc: Decrement the semaphore's open count, and delete the semaphore if the count reaches zero

Note: This function is supported by NetWare 4.6+, Advanced NetWare 1.0+, and Alloy NTNX

See Also: AX=C500h"NetWare" - AX=C501h - AX=F220h/SF=04h

Category: Netware - Int 21h - N