1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . P O O L _ L O C A L --
9 -- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
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. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 -- Storage pool for use with local objects with automatic reclaim
36 with System
.Storage_Elements
;
37 with System
.Pool_Global
;
39 package System
.Pool_Local
is
40 pragma Elaborate_Body
;
41 -- Needed to ensure that library routines can execute allocators
43 ----------------------------
44 -- Unbounded_Reclaim_Pool --
45 ----------------------------
47 -- Allocation strategy:
49 -- Call to malloc/free for each Allocate/Deallocate
50 -- no user specifiable size
51 -- Space of allocated objects is reclaimed at pool finalization
52 -- Manages a list of allocated objects
54 type Unbounded_Reclaim_Pool
is new
55 System
.Pool_Global
.Unbounded_No_Reclaim_Pool
with
57 First
: System
.Address
:= Null_Address
;
60 -- function Storage_Size is inherited
63 (Pool
: in out Unbounded_Reclaim_Pool
;
64 Address
: out System
.Address
;
65 Storage_Size
: System
.Storage_Elements
.Storage_Count
;
66 Alignment
: System
.Storage_Elements
.Storage_Count
);
69 (Pool
: in out Unbounded_Reclaim_Pool
;
70 Address
: System
.Address
;
71 Storage_Size
: System
.Storage_Elements
.Storage_Count
;
72 Alignment
: System
.Storage_Elements
.Storage_Count
);
74 procedure Finalize
(Pool
: in out Unbounded_Reclaim_Pool
);
76 end System
.Pool_Local
;