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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- SYSTEM.TASK_PRIMITIVES.INTERRUPT_OPERATIONS --
-- --
-- B o d y --
-- --
-- Copyright (C) 1998-2007, Free Software Foundation, Inc. --
-- --
-- GNARL is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNARL; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
package body System.Task_Primitives.Interrupt_Operations is
-- ??? The VxWorks version of System.Interrupt_Management needs to access
-- this array, but due to elaboration problems, it can't with this
-- package directly, so we export this variable for now.
Interrupt_ID_Map : array (IM.Interrupt_ID) of ST.Task_Id;
pragma Export (Ada, Interrupt_ID_Map,
"system__task_primitives__interrupt_operations__interrupt_id_map");
----------------------
-- Get_Interrupt_ID --
----------------------
function Get_Interrupt_ID (T : ST.Task_Id) return IM.Interrupt_ID is
use type ST.Task_Id;
begin
for Interrupt in IM.Interrupt_ID loop
if Interrupt_ID_Map (Interrupt) = T then
return Interrupt;
end if;
end loop;
raise Program_Error;
end Get_Interrupt_ID;
-----------------
-- Get_Task_Id --
-----------------
function Get_Task_Id (Interrupt : IM.Interrupt_ID) return ST.Task_Id is
begin
return Interrupt_ID_Map (Interrupt);
end Get_Task_Id;
----------------------
-- Set_Interrupt_ID --
----------------------
procedure Set_Interrupt_ID (Interrupt : IM.Interrupt_ID; T : ST.Task_Id) is
begin
Interrupt_ID_Map (Interrupt) := T;
end Set_Interrupt_ID;
end System.Task_Primitives.Interrupt_Operations;
|
