22   sqlite3* pDestDb;        /* Destination database handle */  member
141   sqlite3* pDestDb,                     /* Database to write to */  in sqlite3_backup_init()  argument
149   if( !sqlite3SafetyCheckOk(pSrcDb)||!sqlite3SafetyCheckOk(pDestDb) ){  in sqlite3_backup_init()
164   sqlite3_mutex_enter(pDestDb->mutex);  in sqlite3_backup_init()
166   if( pSrcDb==pDestDb ){  in sqlite3_backup_init()
168         pDestDb, SQLITE_ERROR, "source and destination must be distinct"  in sqlite3_backup_init()
178       sqlite3Error(pDestDb, SQLITE_NOMEM_BKPT);  in sqlite3_backup_init()
184     p->pSrc = findBtree(pDestDb, pSrcDb, zSrcDb);  in sqlite3_backup_init()
185     p->pDest = findBtree(pDestDb, pDestDb, zDestDb);  in sqlite3_backup_init()
186     p->pDestDb = pDestDb;  in sqlite3_backup_init()
192      || checkReadTransaction(pDestDb, p->pDest)!=SQLITE_OK   in sqlite3_backup_init()
207   sqlite3_mutex_leave(pDestDb->mutex);  in sqlite3_backup_init()
331   if( p->pDestDb ){  in sqlite3_backup_step()
332     sqlite3_mutex_enter(p->pDestDb->mutex);  in sqlite3_backup_step()
346     if( p->pDestDb && p->pSrc->pBt->inTransaction==TRANS_WRITE ){  in sqlite3_backup_step()
429         if( p->pDestDb ){  in sqlite3_backup_step()
430           sqlite3ResetAllSchemasOfConnection(p->pDestDb);  in sqlite3_backup_step()
563   if( p->pDestDb ){  in sqlite3_backup_step()
564     sqlite3_mutex_leave(p->pDestDb->mutex);  in sqlite3_backup_step()
584   if( p->pDestDb ){  in sqlite3_backup_finish()
585     sqlite3_mutex_enter(p->pDestDb->mutex);  in sqlite3_backup_finish()
589   if( p->pDestDb ){  in sqlite3_backup_finish()
607   if( p->pDestDb ){  in sqlite3_backup_finish()
608     sqlite3Error(p->pDestDb, rc);  in sqlite3_backup_finish()
611     sqlite3LeaveMutexAndCloseZombie(p->pDestDb);  in sqlite3_backup_finish()
614   if( p->pDestDb ){  in sqlite3_backup_finish()
678       assert( p->pDestDb );  in backupUpdate()
679       sqlite3_mutex_enter(p->pDestDb->mutex);  in backupUpdate()
681       sqlite3_mutex_leave(p->pDestDb->mutex);  in backupUpdate()