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Overview
| Comment: | In windows, round down the size of the memory mapped region to the next smaller multiple of the page size. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | experimental-mmap |
| Files: | files | file ages | folders |
| SHA1: |
0e44ed1badde6d766f18d1373d968e5b |
| User & Date: | drh 2013-04-01 18:15:50 |
Context
|
2013-04-01
| ||
| 18:25 | Add a comment to xUnfetch on windows to say that the call to winUnmapfile() might be unnecessary. (check-in: e3c63c31 user: drh tags: experimental-mmap) | |
| 18:15 | In windows, round down the size of the memory mapped region to the next smaller multiple of the page size. (check-in: 0e44ed1b user: drh tags: experimental-mmap) | |
| 17:58 | Merge accidental fork. (check-in: 5f4437c0 user: dan tags: experimental-mmap) | |
Changes
Changes to src/os_win.c.
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if( rc ){
return SQLITE_IOERR_FSTAT;
}
}
if( nMap>pFd->mmapLimit ){
nMap = pFd->mmapLimit;
}
if( nMap==0 && pFd->mmapSize>0 ){
winUnmapfile(pFd);
}
if( nMap!=pFd->mmapSize ){
void *pNew = 0;
DWORD protect = PAGE_READONLY;
|
> |
3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 |
if( rc ){
return SQLITE_IOERR_FSTAT;
}
}
if( nMap>pFd->mmapLimit ){
nMap = pFd->mmapLimit;
}
nMap &= ~(sqlite3_int64)(winSysInfo.dwPageSize - 1);
if( nMap==0 && pFd->mmapSize>0 ){
winUnmapfile(pFd);
}
if( nMap!=pFd->mmapSize ){
void *pNew = 0;
DWORD protect = PAGE_READONLY;
|