28   sqlite3* pSrcDb;         /* Source database handle */  member
143   sqlite3* pSrcDb,                      /* Database connection to read from */  in sqlite3_backup_init()  argument
149   if( !sqlite3SafetyCheckOk(pSrcDb)||!sqlite3SafetyCheckOk(pDestDb) ){  in sqlite3_backup_init()
163   sqlite3_mutex_enter(pSrcDb->mutex);  in sqlite3_backup_init()
166   if( pSrcDb==pDestDb ){  in sqlite3_backup_init()
184     p->pSrc = findBtree(pDestDb, pSrcDb, zSrcDb);  in sqlite3_backup_init()
187     p->pSrcDb = pSrcDb;  in sqlite3_backup_init()
208   sqlite3_mutex_leave(pSrcDb->mutex);  in sqlite3_backup_init()
329   sqlite3_mutex_enter(p->pSrcDb->mutex);  in sqlite3_backup_step()
567   sqlite3_mutex_leave(p->pSrcDb->mutex);  in sqlite3_backup_step()
576   sqlite3 *pSrcDb;                     /* Source database connection */  in sqlite3_backup_finish()  local
581   pSrcDb = p->pSrcDb;  in sqlite3_backup_finish()
582   sqlite3_mutex_enter(pSrcDb->mutex);  in sqlite3_backup_finish()
620   sqlite3LeaveMutexAndCloseZombie(pSrcDb);  in sqlite3_backup_finish()
743   b.pSrcDb = pFrom->db;  in sqlite3BtreeCopyFile()