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