1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                    S Y S T E M . P O O L _ L O C A L                     --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-1998, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
19-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, USA.                                                      --
21--                                                                          --
22-- As a special exception,  if other files  instantiate  generics from this --
23-- unit, or you link  this unit with other files  to produce an executable, --
24-- this  unit  does not  by itself cause  the resulting  executable  to  be --
25-- covered  by the  GNU  General  Public  License.  This exception does not --
26-- however invalidate  any other reasons why  the executable file  might be --
27-- covered by the  GNU Public License.                                      --
28--                                                                          --
29-- GNAT was originally developed  by the GNAT team at  New York University. --
30-- Extensive contributions were provided by Ada Core Technologies Inc.      --
31--                                                                          --
32------------------------------------------------------------------------------
33
34with System.Storage_Elements;
35with System.Pool_Global;
36
37package System.Pool_Local is
38
39pragma Elaborate_Body;
40--  Needed to ensure that library routines can execute allocators
41
42   ----------------------------
43   -- Unbounded_Reclaim_Pool --
44   ----------------------------
45
46   --  Allocation strategy:
47
48   --    Call to malloc/free for each Allocate/Deallocate
49   --    no user specifiable size
50   --    Space of allocated objects is reclaimed at pool finalization
51   --    Manages a list of allocated objects
52
53   type Unbounded_Reclaim_Pool is new
54     System.Pool_Global.Unbounded_No_Reclaim_Pool with
55       record
56          First : System.Address := Null_Address;
57       end record;
58
59   --  function Storage_Size is inherited
60
61   procedure Allocate
62     (Pool         : in out Unbounded_Reclaim_Pool;
63      Address      : out System.Address;
64      Storage_Size : System.Storage_Elements.Storage_Count;
65      Alignment    : System.Storage_Elements.Storage_Count);
66
67   procedure Deallocate
68     (Pool         : in out Unbounded_Reclaim_Pool;
69      Address      : System.Address;
70      Storage_Size : System.Storage_Elements.Storage_Count;
71      Alignment    : System.Storage_Elements.Storage_Count);
72
73   procedure Finalize (Pool : in out Unbounded_Reclaim_Pool);
74
75end System.Pool_Local;
76