File : s-pooloc.ads
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) 1992-2011, 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 3, 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. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- Storage pool for use with local objects with automatic reclaim
33
34 with System.Storage_Elements;
35 with System.Pool_Global;
36
37 package System.Pool_Local is
38 pragma Elaborate_Body;
39 -- Needed to ensure that library routines can execute allocators
40
41 ----------------------------
42 -- Unbounded_Reclaim_Pool --
43 ----------------------------
44
45 -- Allocation strategy:
46
47 -- Call to malloc/free for each Allocate/Deallocate
48 -- No user specifiable size
49 -- Space of allocated objects is reclaimed at pool finalization
50 -- Manages a list of allocated objects
51
52 type Unbounded_Reclaim_Pool is new
53 System.Pool_Global.Unbounded_No_Reclaim_Pool with
54 record
55 First : System.Address := Null_Address;
56 end record;
57
58 -- function Storage_Size is inherited
59
60 procedure Allocate
61 (Pool : in out Unbounded_Reclaim_Pool;
62 Address : out System.Address;
63 Storage_Size : System.Storage_Elements.Storage_Count;
64 Alignment : System.Storage_Elements.Storage_Count);
65
66 procedure Deallocate
67 (Pool : in out Unbounded_Reclaim_Pool;
68 Address : System.Address;
69 Storage_Size : System.Storage_Elements.Storage_Count;
70 Alignment : System.Storage_Elements.Storage_Count);
71
72 procedure Finalize (Pool : in out Unbounded_Reclaim_Pool);
73
74 end System.Pool_Local;