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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . I N T E R R U P T _ M A N A G E M E N T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2009, 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 3, or (at your option) any later ver- --
-- sion. GNAT 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- This is a OpenVMS/Alpha version of this package
package body System.Interrupt_Management is
----------------
-- Initialize --
----------------
Initialized : Boolean := False;
procedure Initialize is
use System.OS_Interface;
Status : Cond_Value_Type;
begin
if Initialized then
return;
end if;
Initialized := True;
Abort_Task_Interrupt := Interrupt_ID_0;
-- Unused
Reserve := Reserve or Keep_Unmasked or Keep_Masked;
Reserve (Interrupt_ID_0) := True;
Sys_Crembx
(Status => Status,
Prmflg => 0,
Chan => Rcv_Interrupt_Chan,
Maxmsg => Interrupt_ID'Size,
Bufquo => Interrupt_Bufquo,
Lognam => "GNAT_Interrupt_Mailbox",
Flags => CMB_M_READONLY);
pragma Assert ((Status and 1) = 1);
Sys_Assign
(Status => Status,
Devnam => "GNAT_Interrupt_Mailbox",
Chan => Snd_Interrupt_Chan,
Flags => AGN_M_WRITEONLY);
pragma Assert ((Status and 1) = 1);
end Initialize;
end System.Interrupt_Management;
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