File : asl-leak_detect_pool.ads
-- The Ada Structured Library - A set of container classes and general
-- tools for use with Ada95.
-- Copyright (C) 1998-1999 Corey Minyard (minyard@acm.org)
--
-- This library is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at your
-- option) any later version.
--
-- This 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
-- General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along
-- with this library; if not, write to the Free Software Foundation, Inc.,
-- 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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.
--
with System.Storage_Pools;
with System.Storage_Elements;
package Asl.Leak_Detect_Pool is
type Leak_Pool is new System.Storage_Pools.Root_Storage_Pool with private;
procedure Allocate
(Pool : in out Leak_Pool;
Address : out System.Address;
Storage_Size : in System.Storage_Elements.Storage_Count;
Alignment : in System.Storage_Elements.Storage_Count);
procedure Deallocate
(Pool : in out Leak_Pool;
Address : in System.Address;
Storage_Size : in System.Storage_Elements.Storage_Count;
Alignment : in System.Storage_Elements.Storage_Count);
function Storage_Size (Pool : Leak_Pool)
return System.Storage_Elements.Storage_Count;
Deallocate_Of_Invalid_Data : exception;
type End_Marker is (Past_End, Not_Past_End);
type Iterator is private;
-- Go to the first element in the pool. Iter will be set to Past_End if
-- the pool is empty. Otherwise, the address and size will be returned.
procedure First (Pool : in Leak_Pool;
Iter : in out Iterator;
Is_End : out End_Marker;
Address : out System.Address;
Size : out System.Storage_Elements.Storage_Count);
-- Go to the next element in the pool. Iter will be set to Past_End if
-- at the pool end. Otherwise, the address and size will be returned.
procedure Next (Iter : in out Iterator;
Is_End : out End_Marker;
Address : out System.Address;
Size : out System.Storage_Elements.Storage_Count);
private
use type System.Storage_Elements.Storage_Count;
type Magic_Number is mod 2 ** 32;
for Magic_Number'Size use 32;
Leak_Pool_Magic : constant Magic_Number := 16#80fdb14c#;
type Alloc_Data is array (System.Storage_Elements.Storage_Count range <>) of
aliased System.Storage_Elements.Storage_Element;
for Alloc_Data'Alignment use 4;
type Alloc_Data_Ptr is access all Alloc_Data;
type Pool_Element;
type Pool_Element_Ptr is access all Pool_Element;
type Pool_Element is record
Magic : Magic_Number;
Size : System.Storage_Elements.Storage_Count;
Real_Size : System.Storage_Elements.Storage_Count;
Next : Pool_Element_Ptr;
Prev : Pool_Element_Ptr;
end record;
type Leak_Pool is new System.Storage_Pools.Root_Storage_Pool with record
Elements : Pool_Element_Ptr := null;
end record;
type Iterator is record
Curr : Pool_Element_Ptr;
end record;
end Asl.Leak_Detect_Pool;