#### 6.9.3 `PolyORB.CORBA_P.Server_Tools`

         ------------------------------------------------------------------------------
         --                                                                          --
         --                           POLYORB COMPONENTS                             --
         --                                                                          --
         --         P O L Y O R B . C O R B A _ P . S E R V E R _ T O O L S          --
         --                                                                          --
         --                                 S p e c                                  --
         --                                                                          --
         --         Copyright (C) 2001-2012, Free Software Foundation, Inc.          --
         --                                                                          --
         -- This is free software;  you can redistribute it  and/or modify it  under --
         -- terms of the  GNU General Public License as published  by the Free Soft- --
         -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
         -- sion.  This software is distributed in the hope  that it will be useful, --
         -- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
         -- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
         -- License for  more details.                                               --
         --                                                                          --
         -- 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/>.                                          --
         --                                                                          --
         --                  PolyORB is maintained by AdaCore                        --
         --                     (email: sales@adacore.com)                           --
         --                                                                          --
         ------------------------------------------------------------------------------

         --  Helper functions for CORBA servers. Note that using this unit implies
         --  using the Portable Object Adapter.

         with CORBA.Object;
         with PortableServer.POA;

         package PolyORB.CORBA_P.Server_Tools is

            pragma Elaborate_Body;

            type Hook_Type is access procedure;
            Initiate_Server_Hook : Hook_Type;
            --  Access to a procedure to be called upon start up.
            --  See Initiate_Server for more details.

            procedure Activate_Server;
            --  Start a new ORB, and initialize the Root POA.
            --
            --  If the Initiate_Server_Hook variable is not null, the designated
            --  procedure will be called after initializing the ORB.

            procedure Initiate_Server (Start_New_Task : Boolean := False);
            --  Calls Activate_Server then starts ORB main loop.
            --  If Start_New_Task is True, a new task will be created and control will
            --  be returned to the caller. Otherwise, the ORB main loop will be executed
            --  in the current context.

            function Get_Root_POA return PortableServer.POA.Local_Ref;
            --  Return the Root_POA attached to the current ORB instance.

            procedure Initiate_Servant
              (S : PortableServer.Servant;
               R : out CORBA.Object.Ref'Class);
            --  Initiate a servant: register a servant to the Root POA.
            --  If the Root POA has not been initialized, initialize it.

            procedure Reference_To_Servant
              (R : CORBA.Object.Ref'Class;
               S : out PortableServer.Servant);
            --  Convert a CORBA.Object.Ref into a PortableServer.Servant.

            procedure Servant_To_Reference
              (S : PortableServer.Servant;
               R : out CORBA.Object.Ref'Class);
            --  Convert a PortableServer.Servant into CORBA.Object.Ref.

            procedure Initiate_Well_Known_Service
              (S    : PortableServer.Servant;
               Name : String;
               R    : out CORBA.Object.Ref'Class);
            --  Make S accessible through a reference appropriate for
            --  generation of a corbaloc URI with a named key of Name.

         end PolyORB.CORBA_P.Server_Tools;