Int 21/AX=C501h

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Novell NetWare - SYNCHRONIZATION SERVICES - EXAMINE SEMAPHORE

AX = C501h
CX:DX = semaphore handle

Return:
AL = status 00h successful CX = semaphore value (-127 to 127) DL = count of processes which have the semaphore open FFh invalid handle

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

See Also: AX=C500h"NetWare" - AX=C502h - AX=C504h - AX=F220h/SF=01h

Category: Netware - Int 21h - N

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