-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2005 Free Software Foundation, Inc. --
+-- 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 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- 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. 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- 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. --
-- Unlike the original design, System.Interrupt_Management can only
-- be used for tasking systems.
--- PLEASE DO NOT remove the Elaborate_Body pragma from this package.
--- Elaboration of this package should happen early, as most other
--- initializations depend on it. Forcing immediate elaboration of
--- the body also helps to enforce the design assumption that this
--- is a second-level package, just one level above System.OS_Interface
--- with no cross-dependencies.
-
-- PLEASE DO NOT put any subprogram declarations with arguments of
-- type Interrupt_ID into the visible part of this package. The type
-- Interrupt_ID is used to derive the type in Ada.Interrupts, and
-- adding more operations to that type would be illegal according
-- to the Ada Reference Manual. This is the reason why the signals
--- sets are implemeneted using visible arrays rather than functions.
+-- sets are implemented using visible arrays rather than functions.
with System.OS_Interface;
--- used for sigset_t
with Interfaces.C;
--- used for int
package System.Interrupt_Management is
-
- pragma Elaborate_Body;
+ pragma Preelaborate;
type Interrupt_Mask is limited private;
-- convention that ID zero is not used for any "real" signals, and SIGRARE
-- = 0 when SIGRARE is not one of the locally supported signals, we can
-- write:
-
-- Reserved (SIGRARE) := true;
-
-- and the initialization code will be portable.
- Abort_Task_Signal : Signal_ID;
+ Abort_Task_Interrupt : Signal_ID;
-- The signal that is used to implement task abort if an interrupt is used
-- for that purpose. This is one of the reserved signals.
-- This procedure is used to initialize signal-to-exception mapping in
-- each task.
+ procedure Initialize;
+ -- Initialize the various variables defined in this package. This procedure
+ -- must be called before accessing any object from this package and can be
+ -- called multiple times (only the first call has any effect).
+
private
type Interrupt_Mask is new System.OS_Interface.sigset_t;
-- In some implementation Interrupt_Mask can be represented as a linked
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