1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/statechart/event_base.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,127 @@
     1.4 +#ifndef BOOST_STATECHART_EVENT_BASE_HPP_INCLUDED
     1.5 +#define BOOST_STATECHART_EVENT_BASE_HPP_INCLUDED
     1.6 +//////////////////////////////////////////////////////////////////////////////
     1.7 +// Copyright 2002-2006 Andreas Huber Doenni
     1.8 +// Distributed under the Boost Software License, Version 1.0. (See accompany-
     1.9 +// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
    1.10 +//////////////////////////////////////////////////////////////////////////////
    1.11 +
    1.12 +
    1.13 +
    1.14 +#include <boost/statechart/detail/rtti_policy.hpp>
    1.15 +#include <boost/statechart/detail/counted_base.hpp>
    1.16 +
    1.17 +#include <boost/assert.hpp>
    1.18 +#include <boost/intrusive_ptr.hpp>
    1.19 +#include <boost/config.hpp>
    1.20 +
    1.21 +
    1.22 +
    1.23 +namespace boost
    1.24 +{
    1.25 +namespace statechart
    1.26 +{
    1.27 +namespace detail
    1.28 +{
    1.29 +
    1.30 +
    1.31 +
    1.32 +// This helper is necessary because there doesn't seem to be consensus among
    1.33 +// compilers on how a friend declaration for a function in another namespace
    1.34 +// has to look like.
    1.35 +class delete_helper
    1.36 +{
    1.37 +  public:
    1.38 +    template< class T >
    1.39 +    static void delete_object( const T * pObject )
    1.40 +    {
    1.41 +      delete pObject;
    1.42 +    }
    1.43 +};
    1.44 +
    1.45 +
    1.46 +
    1.47 +} // namespace detail
    1.48 +
    1.49 +
    1.50 +
    1.51 +//////////////////////////////////////////////////////////////////////////////
    1.52 +class event_base : public detail::rtti_policy::rtti_base_type<
    1.53 +  detail::counted_base<> >
    1.54 +{
    1.55 +  typedef detail::rtti_policy::rtti_base_type<
    1.56 +    detail::counted_base<> > base_type;
    1.57 +  public:
    1.58 +    //////////////////////////////////////////////////////////////////////////
    1.59 +    intrusive_ptr< const event_base > intrusive_from_this() const;
    1.60 +
    1.61 +  protected:
    1.62 +    //////////////////////////////////////////////////////////////////////////
    1.63 +    event_base( detail::rtti_policy::id_provider_type idProvider ) :
    1.64 +      base_type( idProvider )
    1.65 +    {
    1.66 +    }
    1.67 +
    1.68 +    virtual ~event_base() {}
    1.69 +
    1.70 +  private:
    1.71 +    //////////////////////////////////////////////////////////////////////////
    1.72 +    virtual intrusive_ptr< const event_base > clone() const = 0;
    1.73 +
    1.74 +    friend class detail::delete_helper;
    1.75 +};
    1.76 +
    1.77 +
    1.78 +
    1.79 +#ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
    1.80 +} // namespace statechart
    1.81 +#endif
    1.82 +
    1.83 +
    1.84 +
    1.85 +inline void intrusive_ptr_add_ref( const ::boost::statechart::event_base * pBase )
    1.86 +{
    1.87 +  pBase->add_ref();
    1.88 +}
    1.89 +
    1.90 +inline void intrusive_ptr_release( const ::boost::statechart::event_base * pBase )
    1.91 +{
    1.92 +  if ( pBase->release() )
    1.93 +  {
    1.94 +    ::boost::statechart::detail::delete_helper::delete_object( pBase );
    1.95 +  }
    1.96 +}
    1.97 +
    1.98 +
    1.99 +
   1.100 +#ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
   1.101 +} // namespace statechart
   1.102 +#endif
   1.103 +namespace statechart
   1.104 +{
   1.105 +
   1.106 +
   1.107 +
   1.108 +// We're implementing this here so that GCC3.4.2 can find
   1.109 +// intrusive_ptr_add_ref, which is indirectly called from the intrusive_ptr
   1.110 +// ctor.
   1.111 +inline intrusive_ptr< const event_base > event_base::intrusive_from_this() const
   1.112 +{
   1.113 +  if ( base_type::ref_counted() )
   1.114 +  {
   1.115 +    return intrusive_ptr< const event_base >( this );
   1.116 +  }
   1.117 +  else
   1.118 +  {
   1.119 +    return clone();
   1.120 +  }
   1.121 +}
   1.122 +
   1.123 +
   1.124 +
   1.125 +} // namespace statechart
   1.126 +} // namespace boost
   1.127 +
   1.128 +
   1.129 +
   1.130 +#endif