Int 2F/AX=110Ah

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NETWORK REDIRECTOR (DOS 4.0+) - LOCK/UNLOCK REGION OF FILE

AX = 110Ah
BL = function
00h lock
01h unlock
CX = number of lock/unlock parameters (0001h for DOS 4.0-6.1)
DS:DX -> parameter block (see #02606)
ES:DI -> SFT
SFT DPB field -> DPB of drive containing file
SS = DOS DS

Return:
CF set on error AL = DOS error code (see #01680 at INT 21/AH=59h/BX=0000h)

Notes: This function is called by the DOS 4.0+ kernel. The redirector is expected to resolve lock conflicts

See Also: AX=110Bh - INT 21/AH=5Ch

Format of parameter block entry [array, but currently limited to single entry]: Offset Size Description (Table 02606) 00h DWORD start offset 04h DWORD size of region

Category: Network - Int 2Fh - N

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