| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNU ADA 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 -- |
| -- -- |
| -- $Revision: 1.6 $ -- |
| -- -- |
| -- Copyright (C) 1991-2000, Florida State University -- |
| -- -- |
| -- 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, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, 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. It is -- |
| -- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- |
| -- State University (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This is a OpenVMS/Alpha version of this package. |
| |
| -- PLEASE DO NOT add any dependences on other packages. |
| -- This package is designed to work with or without tasking support. |
| |
| -- See the other warnings in the package specification before making |
| -- any modifications to this file. |
| |
| with System.OS_Interface; |
| -- used for various Constants, Signal and types |
| |
| package body System.Interrupt_Management is |
| |
| use System.OS_Interface; |
| use type unsigned_long; |
| |
| type Interrupt_List is array (Interrupt_ID range <>) of Interrupt_ID; |
| |
| --------------------------- |
| -- Initialize_Interrupts -- |
| --------------------------- |
| |
| procedure Initialize_Interrupts is |
| Status : Cond_Value_Type; |
| begin |
| 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_Interrupts; |
| |
| begin |
| -- Unused |
| Abort_Task_Interrupt := Interrupt_ID_0; |
| |
| Reserve := Reserve or Keep_Unmasked or Keep_Masked; |
| |
| Reserve (Interrupt_ID_0) := True; |
| |
| Initialize_Interrupts; |
| |
| end System.Interrupt_Management; |