File : aws-dispatchers.adb


------------------------------------------------------------------------------

--                              Ada Web Server                              --

--                                                                          --

--                         Copyright (C) 2000-2001                          --

--                                ACT-Europe                                --

--                                                                          --

--  Authors: Dmitriy Anisimkov - Pascal Obry                                --

--                                                                          --

--  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.                                         --

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--  This library is distributed in the hope that it will be useful, but     --

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--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU       --

--  General Public License for more details.                                --

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--  You should have received a copy of the GNU General Public License       --

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--  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.                                     --

------------------------------------------------------------------------------


--  $Id: aws-dispatchers.adb,v 1.1 2003/10/05 19:59:54 Jano Exp $


with Ada.Unchecked_Deallocation;

package body AWS.Dispatchers is

   procedure Release is
      new Ada.Unchecked_Deallocation (Handler'Class, Handler_Class_Access);

   procedure Free is
      new Ada.Unchecked_Deallocation (Natural, Natural_Access);

   ------------

   -- Adjust --

   ------------


   procedure Adjust (Dispatcher : in out Handler) is
   begin
      Dispatcher.Ref_Counter.all := Dispatcher.Ref_Counter.all + 1;
   end Adjust;

   --------------

   -- Finalize --

   --------------


   procedure Finalize (Dispatcher : in out Handler) is
   begin
      Dispatcher.Ref_Counter.all := Dispatcher.Ref_Counter.all - 1;
      if Dispatcher.Ref_Counter.all = 0 then
         Free (Dispatcher.Ref_Counter);
      end if;
   end Finalize;

   ----------

   -- Free --

   ----------


   procedure Free (Dispatcher : in out Handler_Class_Access) is
   begin
      Release (Dispatcher);
   end Free;

   ----------------

   -- Initialize --

   ----------------


   procedure Initialize (Dispatcher : in out Handler) is
   begin
      Dispatcher.Ref_Counter := new Natural'(1);
   end Initialize;

   -----------------

   -- Ref_Counter --

   -----------------


   function Ref_Counter (Dispatcher : in Handler) return Natural is
   begin
      if Dispatcher.Ref_Counter = null then
         return 0;
      else
         return Dispatcher.Ref_Counter.all;
      end if;
   end Ref_Counter;

end AWS.Dispatchers;