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_go32_dpmi_lock_data

Syntax

 
#include <dpmi.h>

int _go32_dpmi_lock_data( void *lockaddr, unsigned long locksize);

Description

Locks the given region of data, starting at lockaddr for locksize bytes. lockaddr is a regular pointer in your program, such as the address of a variable.

Return Value

0 if success, -1 if failure.

Portability

ANSI/ISO C No
POSIX No

Example

 
int semaphore=0;

void lock_my_handler()
{
  _go32_dpmi_lock_data(&semaphore, 4);
}

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  Copyright 2004   by DJ Delorie     Updated Apr 2004