Category: network
Flags: callout or callback (usually hooked rather than called), Undocumented function
INT 2F - 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
SeeAlso: AX=110Bh,INT 21/AH=5Ch