Leaked source code of windows server 2003
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78 lines
1.6 KiB

//
// Universal Resource Consumer: Just an innocent stress program
// Copyright (c) Microsoft Corporation, 1997, 1998, 1999
//
//
// module: pagefile.cxx
// author: silviuc
// created: Fri Apr 10 16:01:57 1998
//
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <windows.h>
#include "error.hxx"
#include "pagefile.hxx"
#include "consume.hxx"
//
// Function:
//
// ConsumeAllPageFile
//
// Description:
//
// This function consumes as much page file as possible.
// It remains active as a consumer of the page file. Whenever
// it cannot allocate anymore it sleeps for a while then tries
// again.
//
void ConsumeAllPageFile ()
{
MEMORYSTATUSEX MemoryInfo;
LPVOID Region;
SIZE_T RegionSize;
DWORD Count;
//
// Try to eat page file. This will go on forever in the sense
// that the moment somebody frees some memory we will eat it
// immediately.
//
for (Count = 0, RegionSize = 0x100000; ; )
{
Region = VirtualAlloc (
NULL,
RegionSize,
MEM_COMMIT,
PAGE_READWRITE);
if (Region == NULL)
{
Sleep (1000);
//
// We've got an allocation error.
// Switch to 64K chunks and try again.
//
RegionSize = 0x10000;
continue;
}
else
{
if (++Count % 16 == 0)
printf (".");
}
}
}
//
// end of module: pagefile.cxx
//