1------------------------------------------------------------------------------ 2-- -- 3-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- 4-- -- 5-- SYSTEM.TASK_PRIMITIVES.OPERATIONS.SPECIFIC -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2002, Free Software Foundation, Inc. -- 10-- -- 11-- GNARL is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 2, or (at your option) any later ver- -- 14-- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNARL; see file COPYING. If not, write -- 19-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- 20-- MA 02111-1307, USA. -- 21-- -- 22-- As a special exception, if other files instantiate generics from this -- 23-- unit, or you link this unit with other files to produce an executable, -- 24-- this unit does not by itself cause the resulting executable to be -- 25-- covered by the GNU General Public License. This exception does not -- 26-- however invalidate any other reasons why the executable file might be -- 27-- covered by the GNU Public License. -- 28-- -- 29-- GNARL was developed by the GNARL team at Florida State University. -- 30-- Extensive contributions were provided by Ada Core Technologies, Inc. -- 31-- -- 32------------------------------------------------------------------------------ 33 34-- This is a VxWorks version of this package where foreign threads are 35-- recognized. 36 37separate (System.Task_Primitives.Operations) 38package body Specific is 39 40 ------------------- 41 -- Is_Valid_Task -- 42 ------------------- 43 44 function Is_Valid_Task return Boolean is 45 begin 46 return taskVarGet (taskIdSelf, ATCB_Key'Access) /= ERROR; 47 end Is_Valid_Task; 48 49 --------- 50 -- Set -- 51 --------- 52 53 procedure Set (Self_Id : Task_ID) is 54 Result : STATUS; 55 56 begin 57 if taskVarGet (0, ATCB_Key'Access) = ERROR then 58 Result := taskVarAdd (0, ATCB_Key'Access); 59 pragma Assert (Result = OK); 60 end if; 61 62 ATCB_Key := To_Address (Self_Id); 63 end Set; 64 65 ---------- 66 -- Self -- 67 ---------- 68 69 function Self return Task_ID is 70 begin 71 return To_Task_Id (ATCB_Key); 72 end Self; 73 74end Specific; 75