/usr/include/boost/statechart/event_base.hpp is in libboost1.46-dev 1.46.1-7ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | #ifndef BOOST_STATECHART_EVENT_BASE_HPP_INCLUDED
#define BOOST_STATECHART_EVENT_BASE_HPP_INCLUDED
//////////////////////////////////////////////////////////////////////////////
// Copyright 2002-2006 Andreas Huber Doenni
// Distributed under the Boost Software License, Version 1.0. (See accompany-
// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//////////////////////////////////////////////////////////////////////////////
#include <boost/statechart/detail/rtti_policy.hpp>
#include <boost/statechart/detail/counted_base.hpp>
#include <boost/assert.hpp>
#include <boost/intrusive_ptr.hpp>
#include <boost/config.hpp>
namespace boost
{
namespace statechart
{
namespace detail
{
// This helper is necessary because there doesn't seem to be consensus among
// compilers on how a friend declaration for a function in another namespace
// has to look like.
class delete_helper
{
public:
template< class T >
static void delete_object( const T * pObject )
{
delete pObject;
}
};
} // namespace detail
//////////////////////////////////////////////////////////////////////////////
class event_base : public detail::rtti_policy::rtti_base_type<
detail::counted_base<> >
{
typedef detail::rtti_policy::rtti_base_type<
detail::counted_base<> > base_type;
public:
//////////////////////////////////////////////////////////////////////////
intrusive_ptr< const event_base > intrusive_from_this() const;
protected:
//////////////////////////////////////////////////////////////////////////
event_base( detail::rtti_policy::id_provider_type idProvider ) :
base_type( idProvider )
{
}
virtual ~event_base() {}
private:
//////////////////////////////////////////////////////////////////////////
virtual intrusive_ptr< const event_base > clone() const = 0;
friend class detail::delete_helper;
};
#ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
} // namespace statechart
#endif
inline void intrusive_ptr_add_ref( const ::boost::statechart::event_base * pBase )
{
pBase->add_ref();
}
inline void intrusive_ptr_release( const ::boost::statechart::event_base * pBase )
{
if ( pBase->release() )
{
::boost::statechart::detail::delete_helper::delete_object( pBase );
}
}
#ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
} // namespace statechart
#endif
namespace statechart
{
// We're implementing this here so that GCC3.4.2 can find
// intrusive_ptr_add_ref, which is indirectly called from the intrusive_ptr
// ctor.
inline intrusive_ptr< const event_base > event_base::intrusive_from_this() const
{
if ( base_type::ref_counted() )
{
return intrusive_ptr< const event_base >( this );
}
else
{
return clone();
}
}
} // namespace statechart
} // namespace boost
#endif
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