Int 31/AX=0600h

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DPMI 0.9+ - LOCK LINEAR REGION

AX = 0600h
BX:CX = starting linear address
SI:DI = size of region in bytes

Return:
CF clear if successful CF set on error none of the memory is locked AX = error code (DPMI 1.0+) (8013h,8017h,8025h) (see #03143)

Notes: Pages at beginning and end will be locked if the region overlaps them. May be called multiple times for a given page; the DPMI host keeps a lock count for each page

See Also: AX=0004h - AX=0601h - INT 21/AX=251Ah - INT 21/

Category: DOS Extenders - Int 31h - D

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