182 void sqlite3VtabLock(VTable *pVTab){  in sqlite3VtabLock()  argument
183   pVTab->nRef++;  in sqlite3VtabLock()
203 void sqlite3VtabUnlock(VTable *pVTab){  in sqlite3VtabUnlock()  argument
204   sqlite3 *db = pVTab->db;  in sqlite3VtabUnlock()
207   assert( pVTab->nRef>0 );  in sqlite3VtabUnlock()
211   pVTab->nRef--;  in sqlite3VtabUnlock()
212   if( pVTab->nRef==0 ){  in sqlite3VtabUnlock()
213     sqlite3_vtab *p = pVTab->pVtab;  in sqlite3VtabUnlock()
214     sqlite3VtabModuleUnref(pVTab->db, pVTab->pMod);  in sqlite3VtabUnlock()
218     sqlite3DbFree(db, pVTab);  in sqlite3VtabUnlock()
281       VTable *pVTab = *ppVTab;  in sqlite3VtabDisconnect()  local
282       *ppVTab = pVTab->pNext;  in sqlite3VtabDisconnect()
283       sqlite3VtabUnlock(pVTab);  in sqlite3VtabDisconnect()
752 static void addToVTrans(sqlite3 *db, VTable *pVTab){  in addToVTrans()  argument
754   db->aVTrans[db->nVTrans++] = pVTab;  in addToVTrans()
755   sqlite3VtabLock(pVTab);  in addToVTrans()
951       VTable *pVTab = aVTrans[i];  in callFinaliser()  local
952       sqlite3_vtab *p = pVTab->pVtab;  in callFinaliser()
958       pVTab->iSavepoint = 0;  in callFinaliser()
959       sqlite3VtabUnlock(pVTab);  in callFinaliser()
1017 int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){  in sqlite3VtabBegin()  argument
1029   if( !pVTab ){  in sqlite3VtabBegin()
1032   pModule = pVTab->pVtab->pModule;  in sqlite3VtabBegin()
1039       if( db->aVTrans[i]==pVTab ){  in sqlite3VtabBegin()
1048       rc = pModule->xBegin(pVTab->pVtab);  in sqlite3VtabBegin()
1051         addToVTrans(db, pVTab);  in sqlite3VtabBegin()
1053           pVTab->iSavepoint = iSvpt;  in sqlite3VtabBegin()
1054           rc = pModule->xSavepoint(pVTab->pVtab, iSvpt-1);  in sqlite3VtabBegin()
1085       VTable *pVTab = db->aVTrans[i];  in sqlite3VtabSavepoint()  local
1086       const sqlite3_module *pMod = pVTab->pMod->pModule;  in sqlite3VtabSavepoint()
1087       if( pVTab->pVtab && pMod->iVersion>=2 ){  in sqlite3VtabSavepoint()
1089         sqlite3VtabLock(pVTab);  in sqlite3VtabSavepoint()
1093             pVTab->iSavepoint = iSavepoint+1;  in sqlite3VtabSavepoint()
1102         if( xMethod && pVTab->iSavepoint>iSavepoint ){  in sqlite3VtabSavepoint()
1103           rc = xMethod(pVTab->pVtab, iSavepoint);  in sqlite3VtabSavepoint()
1105         sqlite3VtabUnlock(pVTab);  in sqlite3VtabSavepoint()