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Overview
| Comment: | Make the pager sector size configurable at compile-time. (CVS 3517) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
6221cf4f52e79f53043b7c10daedf275 |
| User & Date: | drh 2006-11-23 11:58:44 |
Context
|
2006-11-23
| ||
| 11:59 | Fix a typo in the OMIT_AUTORIZATION in expr.c. (CVS 3518) check-in: 3dea7fbe user: drh tags: trunk | |
| 11:58 | Make the pager sector size configurable at compile-time. (CVS 3517) check-in: 6221cf4f user: drh tags: trunk | |
| 09:39 | Add performance tests to the test suite. (CVS 3516) check-in: 270c745d user: drh tags: trunk | |
Changes
Changes to src/pager.c.
14 14 ** The pager is used to access a database disk file. It implements 15 15 ** atomic commit and rollback through the use of a journal file that 16 16 ** is separate from the database file. The pager also implements file 17 17 ** locking to prevent two processes from writing the same database 18 18 ** file simultaneously, or one process from reading the database while 19 19 ** another is writing. 20 20 ** 21 -** @(#) $Id: pager.c,v 1.275 2006/11/06 21:20:26 drh Exp $ 21 +** @(#) $Id: pager.c,v 1.276 2006/11/23 11:58:44 drh Exp $ 22 22 */ 23 23 #ifndef SQLITE_OMIT_DISKIO 24 24 #include "sqliteInt.h" 25 25 #include "os.h" 26 26 #include "pager.h" 27 27 #include <assert.h> 28 28 #include <string.h> ................................................................................ 346 346 #else 347 347 # define MEMDB pPager->memDb 348 348 #endif 349 349 350 350 /* 351 351 ** The default size of a disk sector 352 352 */ 353 -#define PAGER_SECTOR_SIZE 512 353 +#ifndef PAGER_SECTOR_SIZE 354 +# define PAGER_SECTOR_SIZE 512 355 +#endif 354 356 355 357 /* 356 358 ** Page number PAGER_MJ_PGNO is never used in an SQLite database (it is 357 359 ** reserved for working around a windows/posix incompatibility). It is 358 360 ** used in the journal to signify that the remainder of the journal file 359 361 ** is devoted to storing a master journal name - there are no more pages to 360 362 ** roll back. See comments for function writeMasterJournal() for details.