-- --
-- S p e c --
-- --
--- Copyright (C) 1991-2005 Free Software Foundation, Inc. --
+-- Copyright (C) 1991-2009, 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, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, 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. --
-- PLEASE DO NOT add any with-clauses to this package
--- This is designed to work for both tasking and non-tasking systems, without
--- pulling in any of the tasking support.
-
--- PLEASE DO NOT remove the Elaborate_Body pragma from this package.
--- Elaboration of this package should happen early, as most other
-
--- 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-dependences.
-
-- PLEASE DO NOT put any subprogram declarations with arguments of type
-- Interrupt_ID into the visible part of this package.
-- implemented as visible arrays rather than functions.)
with System.OS_Interface;
--- used for Signal
--- sigset_t
package System.Interrupt_Management is
-
- pragma Elaborate_Body;
+ pragma Preelaborate;
type Interrupt_Mask is limited private;
-- all systems, but is always reserved when it is defined. If we have the
-- 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
-
+ -- write:
-- Reserved (SIGRARE) := true;
-
- -- Then the initialization code will be portable
+ -- Then the initialization code will be portable.
Abort_Task_Interrupt : Interrupt_ID;
-- The interrupt that is used to implement task abort, if an interrupt is
-- example, if interrupts are OS signals and signal masking is per-task,
-- use of the sigwait operation requires the signal be masked in all tasks.
+ 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.
+
private
use type System.OS_Interface.unsigned_long;