------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2000-2012, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- 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 Ada.Unchecked_Deallocation;
package body AWS.Dispatchers is
------------
-- Adjust --
------------
overriding procedure Adjust (Dispatcher : in out Handler) is
begin
Dispatcher.Ref_Counter.all := Dispatcher.Ref_Counter.all + 1;
end Adjust;
--------------
-- Finalize --
--------------
overriding procedure Finalize (Dispatcher : in out Handler) is
use type Utils.Counter_Access;
Ref_Counter : Utils.Counter_Access := Dispatcher.Ref_Counter;
begin
-- Ensure call is idempotent
Dispatcher.Ref_Counter := null;
if Ref_Counter /= null then
Ref_Counter.all := Ref_Counter.all - 1;
if Ref_Counter.all = 0 then
Utils.Unchecked_Free (Ref_Counter);
end if;
end if;
end Finalize;
----------
-- Free --
----------
procedure Free (Dispatcher : in out Handler_Class_Access) is
procedure Unchecked_Free is
new Ada.Unchecked_Deallocation (Handler'Class, Handler_Class_Access);
begin
Unchecked_Free (Dispatcher);
end Free;
----------------
-- Initialize --
----------------
overriding procedure Initialize (Dispatcher : in out Handler) is
begin
Dispatcher.Ref_Counter := new Natural'(1);
end Initialize;
-----------------
-- Ref_Counter --
-----------------
function Ref_Counter (Dispatcher : Handler) return Natural is
use type Utils.Counter_Access;
begin
if Dispatcher.Ref_Counter = null then
return 0;
else
return Dispatcher.Ref_Counter.all;
end if;
end Ref_Counter;
end AWS.Dispatchers;