1// Licensed to the .NET Foundation under one or more agreements.
2// The .NET Foundation licenses this file to you under the MIT license.
3// See the LICENSE file in the project root for more information.
4
5/*=============================================================
6**
7** Source: virtualfree.c
8**
9** Purpose: Positive test the VirtualFree API.
10** Call VirtualFree with MEM_RELEASE
11** and MEM_DECOMMIT free operation type
12**
13**
14**============================================================*/
15#include <palsuite.h>
16
17#define VIRTUALSIZE 1024
18
19
20int __cdecl main(int argc, char *argv[])
21{
22 int err;
23 LPVOID lpVirtualAddress;
24
25 //Initialize the PAL environment
26 err = PAL_Initialize(argc, argv);
27 if(0 != err)
28 {
29 ExitProcess(FAIL);
30 }
31
32 //Allocate the physical storage in memory or in the paging file on disk
33 lpVirtualAddress = VirtualAlloc(NULL,//system determine where to allocate the region
34 VIRTUALSIZE, //specify the size
35 MEM_RESERVE, //allocation type
36 PAGE_NOACCESS); //access protection
37 if(NULL == lpVirtualAddress)
38 {
39 Fail("\nFailed to call VirtualAlloc API!\n");
40 }
41
42 //decommit and release the specified region
43 err = VirtualFree(lpVirtualAddress, //base address
44 VIRTUALSIZE, //decommited size
45 MEM_DECOMMIT|MEM_RELEASE);//free operation
46 if(0 != err)
47 {
48 Fail("\nFailed to call VirtualFree API!\n");
49 }
50
51 PAL_Terminate();
52 return PASS;
53}
54