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