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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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