Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
| Comment: | When running a checkpoint while in locking_mode=EXCLUSIVE, be sure to move the wal-index lock to UNLOCK from READ prior to promoting to CHECKPOINT. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
be114bdf9bb98c7287f8cb54340c630b |
| User & Date: | drh 2010-05-07 20:34:17 |
|
2010-05-10
| ||
| 11:20 | Enhance the OP_JournalMode opcode with an ignore-errors option and use that option the ATTACH command. (check-in: 0bdea4cf user: drh tags: trunk) | |
|
2010-05-07
| ||
| 20:34 | When running a checkpoint while in locking_mode=EXCLUSIVE, be sure to move the wal-index lock to UNLOCK from READ prior to promoting to CHECKPOINT. (check-in: be114bdf user: drh tags: trunk) | |
| 20:02 | Change the xShmOpen() method of the VFS to take the database file name as its argument, not the WAL file name. Also fix some unrelated compiler warnings. (check-in: a65c2939 user: drh tags: trunk) | |
Changes to src/wal.c.
1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 |
u8 *zBuf, /* Temporary buffer to use */
int (*xBusyHandler)(void *), /* Pointer to busy-handler function */
void *pBusyHandlerArg /* Argument to pass to xBusyHandler */
){
int rc; /* Return code */
int isChanged = 0; /* True if a new wal-index header is loaded */
assert( pWal->lockState==SQLITE_SHM_UNLOCK );
assert( pWal->pWiData==0 );
/* Get the CHECKPOINT lock */
do {
rc = walSetLock(pWal, SQLITE_SHM_CHECKPOINT);
}while( rc==SQLITE_BUSY && xBusyHandler(pBusyHandlerArg) );
if( rc!=SQLITE_OK ){
walSetLock(pWal, SQLITE_SHM_UNLOCK);
return rc;
}
|
< > > > > > > |
1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 |
u8 *zBuf, /* Temporary buffer to use */
int (*xBusyHandler)(void *), /* Pointer to busy-handler function */
void *pBusyHandlerArg /* Argument to pass to xBusyHandler */
){
int rc; /* Return code */
int isChanged = 0; /* True if a new wal-index header is loaded */
assert( pWal->pWiData==0 );
/* Get the CHECKPOINT lock */
if( pWal->lockState!=SQLITE_SHM_UNLOCK ){
/* This can occur when locking_mode=EXCLUSIVE */
assert( pWal->lockState==SQLITE_SHM_READ
|| pWal->lockState==SQLITE_SHM_READ_FULL );
walSetLock(pWal, SQLITE_SHM_UNLOCK);
}
do {
rc = walSetLock(pWal, SQLITE_SHM_CHECKPOINT);
}while( rc==SQLITE_BUSY && xBusyHandler(pBusyHandlerArg) );
if( rc!=SQLITE_OK ){
walSetLock(pWal, SQLITE_SHM_UNLOCK);
return rc;
}
|