81 lines
3.9 KiB
Ada
81 lines
3.9 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . T A S K _ P R I M I T I V E S . --
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-- I N T E R R U P T _ O P E R A T I O N S --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1998-2005 Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNARL; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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package body System.Task_Primitives.Interrupt_Operations is
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-- ??? The VxWorks version of System.Interrupt_Management needs to access
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-- this array, but due to elaboration problems, it can't with this
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-- package directly, so we export this variable for now.
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Interrupt_ID_Map : array (IM.Interrupt_ID) of ST.Task_Id;
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pragma Export (Ada, Interrupt_ID_Map,
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"system__task_primitives__interrupt_operations__interrupt_id_map");
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----------------------
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-- Get_Interrupt_ID --
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----------------------
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function Get_Interrupt_ID (T : ST.Task_Id) return IM.Interrupt_ID is
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use type ST.Task_Id;
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begin
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for Interrupt in IM.Interrupt_ID loop
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if Interrupt_ID_Map (Interrupt) = T then
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return Interrupt;
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end if;
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end loop;
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raise Program_Error;
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end Get_Interrupt_ID;
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-----------------
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-- Get_Task_Id --
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-----------------
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function Get_Task_Id (Interrupt : IM.Interrupt_ID) return ST.Task_Id is
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begin
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return Interrupt_ID_Map (Interrupt);
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end Get_Task_Id;
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----------------------
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-- Set_Interrupt_ID --
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----------------------
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procedure Set_Interrupt_ID (Interrupt : IM.Interrupt_ID; T : ST.Task_Id) is
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begin
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Interrupt_ID_Map (Interrupt) := T;
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end Set_Interrupt_ID;
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end System.Task_Primitives.Interrupt_Operations;
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