1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#ifndef __MAPPEDFILE_H__
#define __MAPPEDFILE_H__
#include <string>
#ifdef WIN32
#include <windows.h>
struct MapFileData
{
HANDLE hFile;
HANDLE hFileMapping;
};
#else
struct MapFileData
{
int mapsize;
int fd;
};
#endif
/** Class MappedFile creates memory file mapping.
*
* Works with Windows Mingw GCC, VC++.NET and on Unix
*/
class MappedFile : MapFileData
{
bool opened_;
long file_size;
time_t last_change;
char* map_;
public:
/** C'tor
*
*/
MappedFile() : opened_(false),file_size(0),map_(0){}
/** D'tor
*
*/
virtual ~MappedFile();
/** Size of the opened file.
*
*/
long size() const {return file_size; }
/** Modification time of the opened file.
*
*/
time_t time() const {return last_change; }
/** Opens a file for memory mapping
*
*/
bool open(const std::string& name);
/** Maps the file into memory
*
*/
char* map() throw (std::string) ;
};
#endif // __MAPPEDFILE_H__
// vim:ts=4:nu
//
|