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1996-09-28
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3KB
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71 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . P O O L _ L O C A L --
-- --
-- S p e c --
-- --
-- $Revision: 1.4 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with System.Storage_Pools;
with System.Storage_Elements;
with System.Pool_Global;
package System.Pool_Local is
pragma Elaborate_Body;
-- Needed to ensure that library routines can execute allocators
----------------------------
-- Unbounded_Reclaim_Pool --
----------------------------
-- Allocation strategy:
-- Call to malloc/free for each Allocate/Deallocate
-- no user specifiable size
-- Space of allocated objects is reclaimed at pool finalization
-- Manages a list of allocated objects
-- Default pool in the compiler for access types locally declared
type Unbounded_Reclaim_Pool is new
System.Pool_Global.Unbounded_No_Reclaim_Pool with
record
First : System.Address := Null_Address;
end record;
-- function Storage_Size is inherited
procedure Allocate
(Pool : in out Unbounded_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_Reclaim_Pool;
Address : System.Address;
Storage_Size : System.Storage_Elements.Storage_Count;
Alignment : System.Storage_Elements.Storage_Count);
procedure Finalize (Pool : in out Unbounded_Reclaim_Pool);
end System.Pool_Local;