7246 int sqlite3PagerLockingMode(Pager *pPager, int eMode){  in sqlite3PagerLockingMode()  argument
7247   assert( eMode==PAGER_LOCKINGMODE_QUERY  in sqlite3PagerLockingMode()
7248             || eMode==PAGER_LOCKINGMODE_NORMAL  in sqlite3PagerLockingMode()
7249             || eMode==PAGER_LOCKINGMODE_EXCLUSIVE );  in sqlite3PagerLockingMode()
7253   if( eMode>=0 && !pPager->tempFile && !sqlite3WalHeapMemory(pPager->pWal) ){  in sqlite3PagerLockingMode()
7254     pPager->exclusiveMode = (u8)eMode;  in sqlite3PagerLockingMode()
7279 int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){  in sqlite3PagerSetJournalMode()  argument
7283   assert(      eMode==PAGER_JOURNALMODE_DELETE    /* 0 */  in sqlite3PagerSetJournalMode()
7284             || eMode==PAGER_JOURNALMODE_PERSIST   /* 1 */  in sqlite3PagerSetJournalMode()
7285             || eMode==PAGER_JOURNALMODE_OFF       /* 2 */  in sqlite3PagerSetJournalMode()
7286             || eMode==PAGER_JOURNALMODE_TRUNCATE  /* 3 */  in sqlite3PagerSetJournalMode()
7287             || eMode==PAGER_JOURNALMODE_MEMORY    /* 4 */  in sqlite3PagerSetJournalMode()
7288             || eMode==PAGER_JOURNALMODE_WAL       /* 5 */ );  in sqlite3PagerSetJournalMode()
7294   assert( pPager->tempFile==0 || eMode!=PAGER_JOURNALMODE_WAL );  in sqlite3PagerSetJournalMode()
7301     if( eMode!=PAGER_JOURNALMODE_MEMORY && eMode!=PAGER_JOURNALMODE_OFF ){  in sqlite3PagerSetJournalMode()
7302       eMode = eOld;  in sqlite3PagerSetJournalMode()
7306   if( eMode!=eOld ){  in sqlite3PagerSetJournalMode()
7310     pPager->journalMode = (u8)eMode;  in sqlite3PagerSetJournalMode()
7324     if( !pPager->exclusiveMode && (eOld & 5)==1 && (eMode & 1)==0 ){  in sqlite3PagerSetJournalMode()
7357     }else if( eMode==PAGER_JOURNALMODE_OFF ){  in sqlite3PagerSetJournalMode()
7431   int eMode,                      /* Type of checkpoint */  in sqlite3PagerCheckpoint()  argument
7449     rc = sqlite3WalCheckpoint(pPager->pWal, db, eMode,  in sqlite3PagerCheckpoint()
7450         (eMode==SQLITE_CHECKPOINT_PASSIVE ? 0 : pPager->xBusyHandler),  in sqlite3PagerCheckpoint()