diff options
Diffstat (limited to 'src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test1/VirtualProtect.c')
-rw-r--r-- | src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test1/VirtualProtect.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test1/VirtualProtect.c b/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test1/VirtualProtect.c new file mode 100644 index 0000000000..9c1959b196 --- /dev/null +++ b/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test1/VirtualProtect.c @@ -0,0 +1,70 @@ +// +// Copyright (c) Microsoft. All rights reserved. +// Licensed under the MIT license. See LICENSE file in the project root for full license information. +// + +/*============================================================= +** +** Source: virtualprotect.c +** +** Purpose: Positive test the VirtualProtect API. +** Call VirtualProtect to set new protect as +** PAGE_READWRITE +** +** +**============================================================*/ +#include <palsuite.h> + +#define REGIONSIZE 1024 + +int __cdecl main(int argc, char *argv[]) +{ + int err; + LPVOID lpVirtualAddress; + DWORD OldProtect; + + //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 + REGIONSIZE, //specify the size + MEM_COMMIT, //allocation type + PAGE_READONLY); //access protection + if(NULL == lpVirtualAddress) + { + Fail("\nFailed to call VirtualAlloc API!\n"); + } + + OldProtect = PAGE_READONLY; + //Set new access protection + err = VirtualProtect(lpVirtualAddress, + REGIONSIZE, //specify the region size + PAGE_READWRITE,//desied access protection + &OldProtect);//old access protection + if(0 == err) + { + Trace("\nFailed to call VirtualProtect API!\n"); + err = VirtualFree(lpVirtualAddress,REGIONSIZE,MEM_DECOMMIT); + if(0 == err) + { + Fail("\nFailed to call VirtualFree API!\n"); + } + Fail(""); + } + + + //decommit the specified region + err = VirtualFree(lpVirtualAddress,REGIONSIZE,MEM_DECOMMIT); + if(0 == err) + { + Fail("\nFailed to call VirtualFree API!\n"); + } + + PAL_Terminate(); + return PASS; +} |