Leaked source code of windows server 2003
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//*************************************************************
//
// Group Policy Performance test program
//
// Copyright (c) Microsoft Corporation 1997-1998
//
// History: 11-Jan-99 SitaramR Created
//
//*************************************************************
#include <windows.h>
#include <userenv.h>
#include <tchar.h>
#include <stdio.h>
int __cdecl main( int argc, char *argv[]) { HANDLE hToken; PGROUP_POLICY_OBJECT pGPOList; LARGE_INTEGER Freq; LARGE_INTEGER Start, Stop, Total; DWORD i; DWORD nIterations = 10;
if ( !OpenProcessToken (GetCurrentProcess(), TOKEN_ALL_ACCESS, &hToken) ) { printf("Unable to get process token\n"); return 0; }
QueryPerformanceFrequency( &Freq );
Total.QuadPart = 0;
printf( "Starting %d iterations\n", nIterations );
for ( i=0; i<nIterations; i++) {
QueryPerformanceCounter( &Start );;
if (GetGPOList (hToken, NULL, NULL, NULL, 0, &pGPOList)) {
QueryPerformanceCounter( &Stop );
Total.QuadPart += Stop.QuadPart - Start.QuadPart;
FreeGPOList (pGPOList); } else { printf( "GetGPOList failed\n" ); return 0; } }
CloseHandle (hToken);
printf( "GetGPOList time = %f milliseconds per iteration\n", ((float)Total.QuadPart / (float)Freq.QuadPart) * 1000 / nIterations );
return 0; }
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