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Overview
| Comment: | Do not unmap the mapped file region in winTruncate as there may be outstanding pointers to it. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | experimental-mmap |
| Files: | files | file ages | folders |
| SHA1: | f57a9c91e993f76ce8b923e06e721414980e8e61 |
| User & Date: | mistachkin 2013-03-23 10:09:46 |
Context
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2013-03-23
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| 12:15 | In the winMremap VFS function, unmap the region prior to attempting to truncate the file. check-in: 8870c4cc user: mistachkin tags: experimental-mmap | |
| 10:09 | Do not unmap the mapped file region in winTruncate as there may be outstanding pointers to it. check-in: f57a9c91 user: mistachkin tags: experimental-mmap | |
| 09:56 | Preliminary changes to support the xMremap VFS method on Windows. check-in: 75a85a1c user: mistachkin tags: experimental-mmap | |
Changes
Changes to src/os_win.c.
2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 |
DWORD lastErrno;
assert( pFile );
OSTRACE(("TRUNCATE %d %lld\n", pFile->h, nByte));
SimulateIOError(return SQLITE_IOERR_TRUNCATE);
rc = winUnmap(id);
if( rc!=SQLITE_OK ) return rc;
/* If the user has configured a chunk-size for this file, truncate the
** file so that it consists of an integer number of chunks (i.e. the
** actual file size after the operation may be larger than the requested
** size).
*/
if( pFile->szChunk>0 ){
nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
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2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 |
DWORD lastErrno;
assert( pFile );
OSTRACE(("TRUNCATE %d %lld\n", pFile->h, nByte));
SimulateIOError(return SQLITE_IOERR_TRUNCATE);
/* If the user has configured a chunk-size for this file, truncate the
** file so that it consists of an integer number of chunks (i.e. the
** actual file size after the operation may be larger than the requested
** size).
*/
if( pFile->szChunk>0 ){
nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
|