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