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diff --git a/ACE/contrib/utility/Utility/ReferenceCounting/DefaultImpl.ipp b/ACE/contrib/utility/Utility/ReferenceCounting/DefaultImpl.ipp
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+// file      : Utility/ReferenceCounting/DefaultImpl.ipp
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2002-2003 Boris Kolpackov
+// license   : http://kolpackov.net/license.html
+
+namespace Utility
+{
+  namespace ReferenceCounting
+  {
+    // c-tor & d-tor
+
+    template <typename SynchPolicy>
+    DefaultImpl<SynchPolicy>::
+    DefaultImpl () throw (Interface::SystemException)
+        : ref_count_ (1),
+          lock_ ()
+    {
+    }
+
+    template <typename SynchPolicy>
+    DefaultImpl<SynchPolicy>::
+    ~DefaultImpl () throw ()
+    {
+    }
+
+    // add_ref, remove_ref and refcount_value member functions
+
+    template <typename SynchPolicy>
+    void DefaultImpl<SynchPolicy>::
+    add_ref () const throw (Exception, SystemException)
+    {
+      WriteGuard_ guard (lock_);
+      add_ref_i ();
+    }
+
+    template <typename SynchPolicy>
+    void DefaultImpl<SynchPolicy>::
+    remove_ref () const throw ()
+    {
+      bool destroy (false);
+      try
+      {
+        WriteGuard_ guard (lock_);
+        destroy = remove_ref_i ();
+      }
+      catch (...)
+      {
+        // there is nothing we can do
+      }
+
+      if (destroy) delete this;
+    }
+
+    template <typename SynchPolicy>
+    Interface::count_t DefaultImpl<SynchPolicy>::
+    refcount_value () const throw (Exception, SystemException)
+    {
+      ReadGuard_ guard (lock_);
+      return refcount_value_i ();
+    }
+
+    // add_ref_i, remove_ref_i and refcount_value_i member functions
+
+    template <typename SynchPolicy>
+    void DefaultImpl<SynchPolicy>::
+    add_ref_i () const throw (Exception, SystemException)
+    {
+      ref_count_++;
+    }
+
+    template <typename SynchPolicy>
+    bool DefaultImpl<SynchPolicy>::
+    remove_ref_i () const throw (Exception, SystemException)
+    {
+      bool destroy (false);
+      if (ref_count_ > 0)
+      {
+        if (--ref_count_ == 0) destroy = true;
+      }
+      else
+      {
+        throw InconsistentState (
+          "Utility::ReferenceCounting::DefaultImpl::_remove_ref_i: "
+          "reference counter is zero.");
+      }
+      return destroy;
+
+    }
+
+    template <typename SynchPolicy>
+    Interface::count_t DefaultImpl<SynchPolicy>::
+    refcount_value_i () const throw (Exception, SystemException)
+    {
+      return ref_count_;
+    }
+
+    template <typename SynchPolicy>
+    typename SynchPolicy::Mutex& DefaultImpl<SynchPolicy>::
+    lock_i() const throw ()
+    {
+      return lock_;
+    }
+  }
+}
+//$Id$