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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-atocou.adb] - Rev 706

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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--               S Y S T E M . A T O M I C _ C O U N T E R S                --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                       Copyright (C) 2011, AdaCore                        --
--                                                                          --
-- GNAT 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/>.                                          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------
 
--  This is dummy version of the package, for use on platforms where this
--  capability is not supported. Any use of any of the routines in this
--  package will raise Program_Error.
 
--  Why don't we use pragma Unimplemented_Unit in a dummy spec, this would
--  seem much more useful than raising an exception at run time ???
 
package body System.Atomic_Counters is
 
   ---------------
   -- Decrement --
   ---------------
 
   function Decrement (Item : in out Atomic_Counter) return Boolean is
   begin
      raise Program_Error;
      return False;
   end Decrement;
 
   ---------------
   -- Increment --
   ---------------
 
   procedure Increment (Item : in out Atomic_Counter) is
   begin
      raise Program_Error;
   end Increment;
 
   ------------
   -- Is_One --
   ------------
 
   function Is_One (Item : Atomic_Counter) return Boolean is
   begin
      raise Program_Error;
      return False;
   end Is_One;
 
end System.Atomic_Counters;
 

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