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mongodb/util/mmap.h
2007-10-19 19:35:48 -04:00

23 lines
356 B
C++

// mmap.h
#pragma once
class MemoryMappedFile {
public:
MemoryMappedFile();
~MemoryMappedFile();
/* only smart enough right now to deal with files of a fixed length.
creates if DNE
*/
void* map(const char *filename, int length);
void flush(bool sync);
private:
HANDLE fd;
HANDLE maphandle;
void *view;
int len;
};