__dpmi_lock_linear_region

Syntax

#include <dpmi.h>

int __dpmi_lock_linear_region(__dpmi_meminfo *_info);

Description

Please refer to section DPMI Specification for details on DPMI function call operation. Also see section DPMI Overview for general information.

DPMI function AX = 0x0600

This function locks virtual memory, to prevent page faults during hardware interrupts. Pass address and size (in bytes).

Return Value

-1 on error, else zero.

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