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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================
**
** Source: virtualfree.c
**
** Purpose: Positive test the VirtualFree API.
** Call VirtualFree with MEM_RELEASE
** and MEM_DECOMMIT free operation type
**
**
**============================================================*/
#include <palsuite.h>
#define VIRTUALSIZE 1024
int __cdecl main(int argc, char *argv[])
{
int err;
LPVOID lpVirtualAddress;
//Initialize the PAL environment
err = PAL_Initialize(argc, argv);
if(0 != err)
{
ExitProcess(FAIL);
}
//Allocate the physical storage in memory or in the paging file on disk
lpVirtualAddress = VirtualAlloc(NULL,//system determine where to allocate the region
VIRTUALSIZE, //specify the size
MEM_RESERVE, //allocation type
PAGE_NOACCESS); //access protection
if(NULL == lpVirtualAddress)
{
Fail("\nFailed to call VirtualAlloc API!\n");
}
//decommit and release the specified region
err = VirtualFree(lpVirtualAddress, //base address
VIRTUALSIZE, //decommited size
MEM_DECOMMIT|MEM_RELEASE);//free operation
if(0 != err)
{
Fail("\nFailed to call VirtualFree API!\n");
}
PAL_Terminate();
return PASS;
}
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