| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 1992-2006, 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. |
| |
| 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; |
