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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                 S Y S T E M . C H E C K E D _ P O O L S                  --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
--                                                                          --
-- 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.      --
--                                                                          --
------------------------------------------------------------------------------
 
with System.Storage_Elements;
with System.Storage_Pools;
package System.Checked_Pools is
 
   type Checked_Pool is abstract
     new System.Storage_Pools.Root_Storage_Pool with private;
   --  Equivalent of storage pools with the addition that Dereference is
   --  called on each implicit or explicit dereference of a pointer which
   --  has such a storage pool
 
   procedure Dereference
     (Pool                     : in out Checked_Pool;
      Storage_Address          : Address;
      Size_In_Storage_Elements : System.Storage_Elements.Storage_Count;
      Alignment                : System.Storage_Elements.Storage_Count)
   is abstract;
   --  Called implicitly each time a pointer to a checked pool is dereferenced
   --  All parameters in the profile are compatible with the profile of
   --  Allocate/Deallocate: the Storage_Address corresponds to the address of
   --  the dereferenced object, Size_in_Storage_Elements is its dynamic size
   --  (and thus may involve an implicit dispatching call to size) and
   --  Alignment is the alignment of the object.
 
private
   type Checked_Pool is abstract
     new System.Storage_Pools.Root_Storage_Pool with null record;
end System.Checked_Pools;