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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . P O O L _ G L O B A L --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2005 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, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, 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;
with System.Storage_Pools;
with System.Storage_Elements;
package System.Pool_Global is
pragma Elaborate_Body;
-- Needed to ensure that library routines can execute allocators
-- Allocation strategy:
-- Call to malloc/free for each Allocate/Deallocate
-- no user specifiable size
-- no automatic reclaim
-- minimal overhead
-- Pool simulating the allocation/deallocation strategy used by the
-- compiler for access types globally declared.
type Unbounded_No_Reclaim_Pool is new
System.Storage_Pools.Root_Storage_Pool with null record;
function Storage_Size
(Pool : Unbounded_No_Reclaim_Pool)
return System.Storage_Elements.Storage_Count;
procedure Allocate
(Pool : in out Unbounded_No_Reclaim_Pool;
Address : out System.Address;
Storage_Size : System.Storage_Elements.Storage_Count;
Alignment : System.Storage_Elements.Storage_Count);
procedure Deallocate
(Pool : in out Unbounded_No_Reclaim_Pool;
Address : System.Address;
Storage_Size : System.Storage_Elements.Storage_Count;
Alignment : System.Storage_Elements.Storage_Count);
-- Pool object used by the compiler when implicit Storage Pool objects are
-- explicitly referred to. For instance when writing something like:
-- for T'Storage_Pool use Q'Storage_Pool;
-- and Q'Storage_Pool hasn't been defined explicitly.
Global_Pool_Object : Unbounded_No_Reclaim_Pool;
end System.Pool_Global;
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