clean up - session/socket/engine stuff removed

src/io_object.hpp

@@ -1,51 +0,0 @@
-/*
-    Copyright (c) 2007-2009 FastMQ Inc.
-
-    This file is part of 0MQ.
-
-    0MQ is free software; you can redistribute it and/or modify it under
-    the terms of the Lesser GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    0MQ 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
-    Lesser GNU General Public License for more details.
-
-    You should have received a copy of the Lesser GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_IO_OBJECT_HPP_INCLUDED__
-#define __ZMQ_IO_OBJECT_HPP_INCLUDED__
-
-#include "object.hpp"
-
-namespace zmq
-{
-
-    //  All objects running within the context of an I/O thread should be
-    //  derived from this class to allow owning application threads to
-    //  destroy them.
-
-    class io_object_t : public object_t
-    {
-    public:
-
-        io_object_t (class io_thread_t *thread_);
-        ~io_object_t ();
-
-        virtual void terminate () = 0;
-        virtual void shutdown () = 0;
-
-        struct i_poller *get_poller ();
-
-    private:
- 
-        class io_thread_t *thread;
-    };
-
-}
-
-#endif