388   AsyncLock *pLock;            /* Linked list of all AsyncLock structures */  member
524   AsyncLock *pLock;          /* AsyncLock object for this file system entry */  member
813 static int getFileLock(AsyncLock *pLock){  in getFileLock()  argument
818   if( pLock->pFile ){  in getFileLock()
819     for(pIter=pLock->pList; pIter; pIter=pIter->pNext){  in getFileLock()
827     if( eRequired>pLock->eLock ){  in getFileLock()
828       rc = pLock->pFile->pMethods->xLock(pLock->pFile, eRequired);  in getFileLock()
830         pLock->eLock = eRequired;  in getFileLock()
833     else if( eRequired<pLock->eLock && eRequired<=SQLITE_LOCK_SHARED ){  in getFileLock()
834       rc = pLock->pFile->pMethods->xUnlock(pLock->pFile, eRequired);  in getFileLock()
836         pLock->eLock = eRequired;  in getFileLock()
850   AsyncLock *p = async.pLock;  in findLock()
869       AsyncLock *pLock = p->pLock;  in asyncLock()  local
871       assert(pLock && pLock->pList);  in asyncLock()
872       for(pIter=pLock->pList; pIter; pIter=pIter->pNext){  in asyncLock()
888         rc = getFileLock(pLock);  in asyncLock()
901     AsyncFileLock *pLock = &p->lock;  in asyncUnlock()  local
904     pLock->eLock = MIN(pLock->eLock, eLock);  in asyncUnlock()
922   for(pIter=p->pLock->pList; pIter; pIter=pIter->pNext){  in asyncCheckReservedLock()
969     AsyncLock *pLock = pData->pLock;  in unlinkAsyncFile()  local
970     for(ppIter=&pLock->pList; *ppIter; ppIter=&((*ppIter)->pNext)){  in unlinkAsyncFile()
976     if( !pLock->pList ){  in unlinkAsyncFile()
978       if( pLock->pFile ){  in unlinkAsyncFile()
979         pLock->pFile->pMethods->xClose(pLock->pFile);  in unlinkAsyncFile()
981       for(pp=&async.pLock; *pp!=pLock; pp=&((*pp)->pNext));  in unlinkAsyncFile()
982       *pp = pLock->pNext;  in unlinkAsyncFile()
983       sqlite3_free(pLock);  in unlinkAsyncFile()
985       rc = getFileLock(pLock);  in unlinkAsyncFile()
1043   AsyncLock *pLock = 0;  in asyncOpen()  local
1097     pLock = findLock(pData->zName, pData->nName);  in asyncOpen()
1098     if( !pLock ){  in asyncOpen()
1100       pLock = (AsyncLock *)sqlite3_malloc(nByte);  in asyncOpen()
1101       if( pLock ){  in asyncOpen()
1102         memset(pLock, 0, nByte);  in asyncOpen()
1104           pLock->pFile = (sqlite3_file *)&pLock[1];  in asyncOpen()
1105           rc = pVfs->xOpen(pVfs, pData->zName, pLock->pFile, flags, 0);  in asyncOpen()
1107             sqlite3_free(pLock);  in asyncOpen()
1108             pLock = 0;  in asyncOpen()
1111         if( pLock ){  in asyncOpen()
1112           pLock->nFile = pData->nName;  in asyncOpen()
1113           pLock->zFile = &((char *)(&pLock[1]))[pVfs->szOsFile];  in asyncOpen()
1114           memcpy(pLock->zFile, pData->zName, pLock->nFile);  in asyncOpen()
1115           pLock->pNext = async.pLock;  in asyncOpen()
1116           async.pLock = pLock;  in asyncOpen()
1132       pData->lock.pNext = pLock->pList;  in asyncOpen()
1133       pLock->pList = &pData->lock;  in asyncOpen()
1134       pData->zName = pLock->zFile;  in asyncOpen()
1149     pData->pLock = pLock;  in asyncOpen()
1504           rc = getFileLock(pData->pLock);  in asyncWriterThread()
1574       if( 0==async.pLock ){  in asyncWriterThread()