1------------------------------------------------------------------------------ 2-- -- 3-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- 4-- -- 5-- 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 -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2002, Free Software Foundation, Inc. -- 10-- -- 11-- GNARL is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 2, or (at your option) any later ver- -- 14-- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNARL; see file COPYING. If not, write -- 19-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- 20-- MA 02111-1307, USA. -- 21-- -- 22-- As a special exception, if other files instantiate generics from this -- 23-- unit, or you link this unit with other files to produce an executable, -- 24-- this unit does not by itself cause the resulting executable to be -- 25-- covered by the GNU General Public License. This exception does not -- 26-- however invalidate any other reasons why the executable file might be -- 27-- covered by the GNU Public License. -- 28-- -- 29-- GNARL was developed by the GNARL team at Florida State University. -- 30-- Extensive contributions were provided by Ada Core Technologies, Inc. -- 31-- -- 32------------------------------------------------------------------------------ 33 34-- This is a OpenVMS/Alpha version of this package. 35 36-- PLEASE DO NOT add any dependences on other packages. 37-- This package is designed to work with or without tasking support. 38 39-- See the other warnings in the package specification before making 40-- any modifications to this file. 41 42with System.OS_Interface; 43-- used for various Constants, Signal and types 44 45package body System.Interrupt_Management is 46 47 use System.OS_Interface; 48 use type unsigned_long; 49 50 --------------------------- 51 -- Initialize_Interrupts -- 52 --------------------------- 53 54 procedure Initialize_Interrupts is 55 Status : Cond_Value_Type; 56 57 begin 58 Sys_Crembx 59 (Status => Status, 60 Prmflg => False, 61 Chan => Rcv_Interrupt_Chan, 62 Maxmsg => Interrupt_ID'Size, 63 Bufquo => Interrupt_Bufquo, 64 Lognam => "GNAT_Interrupt_Mailbox", 65 Flags => CMB_M_READONLY); 66 67 pragma Assert ((Status and 1) = 1); 68 69 Sys_Assign 70 (Status => Status, 71 Devnam => "GNAT_Interrupt_Mailbox", 72 Chan => Snd_Interrupt_Chan, 73 Flags => AGN_M_WRITEONLY); 74 75 pragma Assert ((Status and 1) = 1); 76 end Initialize_Interrupts; 77 78begin 79 -- Unused 80 81 Abort_Task_Interrupt := Interrupt_ID_0; 82 83 Reserve := Reserve or Keep_Unmasked or Keep_Masked; 84 85 Reserve (Interrupt_ID_0) := True; 86 87 Initialize_Interrupts; 88end System.Interrupt_Management; 89