51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// Windows/FileMapping.h
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#ifndef __WINDOWS_FILEMAPPING_H
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#define __WINDOWS_FILEMAPPING_H
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#include "Windows/Handle.h"
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#include "Windows/Defs.h"
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namespace NWindows {
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// namespace NFile {
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// namespace NMapping {
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class CFileMapping: public CHandle
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{
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public:
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bool Create(HANDLE file, LPSECURITY_ATTRIBUTES attributes,
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DWORD protect, UINT64 maximumSize, LPCTSTR name)
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{
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_handle = ::CreateFileMapping(file, attributes,
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protect, DWORD(maximumSize >> 32), DWORD(maximumSize), name);
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return (_handle != NULL);
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}
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bool Open(DWORD desiredAccess, bool inheritHandle, LPCTSTR name)
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{
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_handle = ::OpenFileMapping(desiredAccess, BoolToBOOL(inheritHandle), name);
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return (_handle != NULL);
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}
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LPVOID MapViewOfFile(DWORD desiredAccess, UINT64 fileOffset,
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SIZE_T numberOfBytesToMap)
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{
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return ::MapViewOfFile(_handle, desiredAccess,
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DWORD(fileOffset >> 32), DWORD(fileOffset), numberOfBytesToMap);
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}
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LPVOID MapViewOfFileEx(DWORD desiredAccess, UINT64 fileOffset,
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SIZE_T numberOfBytesToMap, LPVOID baseAddress)
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{
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return ::MapViewOfFileEx(_handle, desiredAccess,
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DWORD(fileOffset >> 32), DWORD(fileOffset),
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numberOfBytesToMap, baseAddress);
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}
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};
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}
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#endif
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