| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
