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Overview
| Comment: | Fix comment inside the pager_unlock() routine. Always close the master journal file before trying to delete it. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | f820b815c9bff368eb1ccb850966a812 |
| User & Date: | drh 2010-06-21 20:19:25 |
Context
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2010-06-21
| ||
| 21:45 | Minor tweaks to get the pager working for corner cases when the SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN flag is set. check-in: 82b38fca user: drh tags: trunk | |
| 20:19 | Fix comment inside the pager_unlock() routine. Always close the master journal file before trying to delete it. check-in: f820b815 user: drh tags: trunk | |
| 18:29 | Add test cases to pager1.test and pager2.test. check-in: cc9ddae6 user: dan tags: trunk | |
Changes
Changes to src/pager.c.
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** treated as a hot-journal and rolled back.
*/
static void pager_unlock(Pager *pPager){
if( !pPager->exclusiveMode ){
int rc = SQLITE_OK; /* Return code */
int iDc = isOpen(pPager->fd)?sqlite3OsDeviceCharacteristics(pPager->fd):0;
/* Always close the journal file when dropping the database lock.
** Otherwise, another connection with journal_mode=delete might
** delete the file out from under us.
*/
assert( (PAGER_JOURNALMODE_MEMORY & 5)!=1 );
assert( (PAGER_JOURNALMODE_OFF & 5)!=1 );
assert( (PAGER_JOURNALMODE_WAL & 5)!=1 );
assert( (PAGER_JOURNALMODE_DELETE & 5)!=1 );
assert( (PAGER_JOURNALMODE_TRUNCATE & 5)==1 );
assert( (PAGER_JOURNALMODE_PERSIST & 5)==1 );
................................................................................
/* We have a match. Do not delete the master journal file. */
goto delmaster_out;
}
}
zJournal += (sqlite3Strlen30(zJournal)+1);
}
}
rc = sqlite3OsDelete(pVfs, zMaster, 0);
delmaster_out:
if( zMasterJournal ){
sqlite3_free(zMasterJournal);
}
if( pMaster ){
sqlite3OsClose(pMaster);
assert( !isOpen(pJournal) );
}
sqlite3_free(pMaster);
return rc;
}
/*
** This function is used to change the actual size of the database
** file in the file-system. This only happens when committing a transaction,
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** treated as a hot-journal and rolled back.
*/
static void pager_unlock(Pager *pPager){
if( !pPager->exclusiveMode ){
int rc = SQLITE_OK; /* Return code */
int iDc = isOpen(pPager->fd)?sqlite3OsDeviceCharacteristics(pPager->fd):0;
/* If the operating system support deletion of open files, then
** close the journal file when dropping the database lock. Otherwise
** another connection with journal_mode=delete might delete the file
** out from under us.
*/
assert( (PAGER_JOURNALMODE_MEMORY & 5)!=1 );
assert( (PAGER_JOURNALMODE_OFF & 5)!=1 );
assert( (PAGER_JOURNALMODE_WAL & 5)!=1 );
assert( (PAGER_JOURNALMODE_DELETE & 5)!=1 );
assert( (PAGER_JOURNALMODE_TRUNCATE & 5)==1 );
assert( (PAGER_JOURNALMODE_PERSIST & 5)==1 );
................................................................................
/* We have a match. Do not delete the master journal file. */
goto delmaster_out;
}
}
zJournal += (sqlite3Strlen30(zJournal)+1);
}
}
sqlite3OsClose(pMaster);
rc = sqlite3OsDelete(pVfs, zMaster, 0);
delmaster_out:
if( zMasterJournal ){
sqlite3_free(zMasterJournal);
}
if( pMaster ){
sqlite3OsClose(pMaster);
assert( !isOpen(pJournal) );
sqlite3_free(pMaster);
}
return rc;
}
/*
** This function is used to change the actual size of the database
** file in the file-system. This only happens when committing a transaction,
|