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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) 1992-2005, 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. --
-- --
------------------------------------------------------------------------------
-- This is a OpenVMS/Alpha version of this package.
with System.OS_Interface;
-- used for various Constants, Signal and types
package body System.Interrupt_Management is
----------------
-- Initialize --
----------------
Initialized : Boolean := False;
procedure Initialize is
use System.OS_Interface;
use type unsigned_long;
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 => False,
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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