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Overview
| Comment: | Adjust the shared-memory locking range to account for the new version number values in the wal-index header. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
a6dc0df304876b51cef5402b0e21330f |
| User & Date: | drh 2010-06-23 17:58:38 |
Context
|
2010-06-23
| ||
| 17:59 | Include the SOURCE_ID value in the log messages output for corruption, misuse, and CANTOPEN errors. (check-in: 1727a81f user: drh tags: trunk) | |
| 17:58 | Adjust the shared-memory locking range to account for the new version number values in the wal-index header. (check-in: a6dc0df3 user: drh tags: trunk) | |
| 15:55 | Add a version number to the wal-index header. If SQLite encounters a version number in either the wal or wal-index files that it does not understand, the operation is abandoned and SQLITE_CANTOPEN returned. (check-in: 8d0f8a7f user: dan tags: trunk) | |
Changes
Changes to src/os_unix.c.
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 |
u8 id; /* Id of this connection within its unixShmNode */
#endif
};
/*
** Constants used for locking
*/
#define UNIX_SHM_BASE ((18+SQLITE_SHM_NLOCK)*4) /* first lock byte */
#define UNIX_SHM_DMS (UNIX_SHM_BASE+SQLITE_SHM_NLOCK) /* deadman switch */
/*
** Apply posix advisory locks for all bytes from ofst through ofst+n-1.
**
** Locks block if the mask is exactly UNIX_SHM_C and are non-blocking
** otherwise.
|
| |
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 |
u8 id; /* Id of this connection within its unixShmNode */
#endif
};
/*
** Constants used for locking
*/
#define UNIX_SHM_BASE ((22+SQLITE_SHM_NLOCK)*4) /* first lock byte */
#define UNIX_SHM_DMS (UNIX_SHM_BASE+SQLITE_SHM_NLOCK) /* deadman switch */
/*
** Apply posix advisory locks for all bytes from ofst through ofst+n-1.
**
** Locks block if the mask is exactly UNIX_SHM_C and are non-blocking
** otherwise.
|
Changes to src/os_win.c.
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 |
u8 id; /* Id of this connection with its winShmNode */
#endif
};
/*
** Constants used for locking
*/
#define WIN_SHM_BASE ((18+SQLITE_SHM_NLOCK)*4) /* first lock byte */
#define WIN_SHM_DMS (WIN_SHM_BASE+SQLITE_SHM_NLOCK) /* deadman switch */
/*
** Apply advisory locks for all n bytes beginning at ofst.
*/
#define _SHM_UNLCK 1
#define _SHM_RDLCK 2
|
| |
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 |
u8 id; /* Id of this connection with its winShmNode */
#endif
};
/*
** Constants used for locking
*/
#define WIN_SHM_BASE ((22+SQLITE_SHM_NLOCK)*4) /* first lock byte */
#define WIN_SHM_DMS (WIN_SHM_BASE+SQLITE_SHM_NLOCK) /* deadman switch */
/*
** Apply advisory locks for all n bytes beginning at ofst.
*/
#define _SHM_UNLCK 1
#define _SHM_RDLCK 2
|