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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) 1992,1993,1994,1995,1996 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 2, 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 GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, 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. --
-- --
-- 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 Allocate
(Pool : in out Checked_Pool;
Storage_Address : out Address;
Size_In_Storage_Elements : in System.Storage_Elements.Storage_Count;
Alignment : in System.Storage_Elements.Storage_Count)
is abstract;
procedure Deallocate
(Pool : in out Checked_Pool;
Storage_Address : in Address;
Size_In_Storage_Elements : in System.Storage_Elements.Storage_Count;
Alignment : in System.Storage_Elements.Storage_Count)
is abstract;
function Storage_Size
(Pool : Checked_Pool)
return System.Storage_Elements.Storage_Count
is abstract;
procedure Dereference
(Pool : in out Checked_Pool;
Storage_Address : in Address;
Size_In_Storage_Elements : in System.Storage_Elements.Storage_Count;
Alignment : in System.Storage_Elements.Storage_Count)
is abstract;
-- Called each time a pointer to a checked pool is dereferenced
private
type Checked_Pool is abstract
new System.Storage_Pools.Root_Storage_Pool with null record;
end System.Checked_Pools;
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