457   int op;                      /* One of ASYNC_xxx etc. */  member
540   if( pWrite->op!=ASYNC_UNLOCK ){  in addAsyncWrite()
553   ASYNC_TRACE(("PUSH %p (%s %s %d)\n", pWrite, azOpcodeName[pWrite->op],  in addAsyncWrite()
556   if( pWrite->op==ASYNC_CLOSE ){  in addAsyncWrite()
565   if( pWrite->op!=ASYNC_UNLOCK ){  in addAsyncWrite()
589   int op,   in addNewAsyncWrite()  argument
595   if( op!=ASYNC_CLOSE && async.ioError ){  in addNewAsyncWrite()
608   p->op = op;  in addNewAsyncWrite()
703       if( pWrite->op==ASYNC_WRITE && (  in asyncRead()
785       if( pWrite->op==ASYNC_DELETE   in asyncFileSize()
794         switch( pWrite->op ){  in asyncFileSize()
938 static int asyncFileControl(sqlite3_file *id, int op, void *pArg){  in asyncFileControl()  argument
939   switch( op ){  in asyncFileControl()
1071   pData->closeOp.op = ASYNC_CLOSE;  in asyncOpen()
1205       if( p->op==ASYNC_DELETE && 0==strcmp(p->zBuf, zName) ){  in asyncAccess()
1207       }else if( p->op==ASYNC_OPENEXCLUSIVE   in asyncAccess()
1387     if( async.ioError!=SQLITE_OK && p->op!=ASYNC_CLOSE ){  in asyncWriterThread()
1388       p->op = ASYNC_NOOP;  in asyncWriterThread()
1393         p->op==ASYNC_CLOSE ||   in asyncWriterThread()
1394         p->op==ASYNC_OPENEXCLUSIVE ||  in asyncWriterThread()
1395         (pBase->pMethods && (p->op==ASYNC_SYNC || p->op==ASYNC_WRITE) )   in asyncWriterThread()
1405     switch( p->op ){  in asyncWriterThread()
1496           if( pIter->pFileData==pData && pIter->op==ASYNC_UNLOCK ) break;  in asyncWriterThread()
1638 int sqlite3async_control(int op, ...){  in sqlite3async_control()  argument
1641   va_start(ap, op);  in sqlite3async_control()
1642   switch( op ){  in sqlite3async_control()