------------------------------------------------------------------------------ -- -- -- 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;