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The Windows Access Control Model: Part 2

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27 Jun 2005CPOL43 min read 243.7K   7.2K   113  
This second part of the Access Control series will program with the basic Access Control structures.
// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
// Permission to copy, use, modify, sell and distribute this software is 
// granted provided this copyright notice appears in all copies. This software 
// is provided "as is" without express or implied warranty, and with no claim 
// as to its suitability for any purpose.
//
// See http://www.boost.org for most recent version including documentation.

#ifndef BOOST_TT_IS_STATELESS_HPP_INCLUDED
#define BOOST_TT_IS_STATELESS_HPP_INCLUDED

#include "boost/type_traits/has_trivial_constructor.hpp"
#include "boost/type_traits/has_trivial_copy.hpp"
#include "boost/type_traits/has_trivial_destructor.hpp"
#include "boost/type_traits/is_class.hpp"
#include "boost/type_traits/is_empty.hpp"
#include "boost/type_traits/detail/ice_and.hpp"
#include "boost/config.hpp"

// should be the last #include
#include "boost/type_traits/detail/bool_trait_def.hpp"

namespace boost {

namespace detail {

template <typename T>
struct is_stateless_impl
{
  BOOST_STATIC_CONSTANT(bool, value = 
    (::boost::type_traits::ice_and<
       ::boost::has_trivial_constructor<T>::value,
       ::boost::has_trivial_copy<T>::value,
       ::boost::has_trivial_destructor<T>::value,
       ::boost::is_class<T>::value,
       ::boost::is_empty<T>::value
     >::value));
};

} // namespace detail

BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_stateless,T,::boost::detail::is_stateless_impl<T>::value)

} // namespace boost

#include "boost/type_traits/detail/bool_trait_undef.hpp"

#endif // BOOST_TT_IS_STATELESS_HPP_INCLUDED

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Mr. Shah is a reclusive C++/C# developer lurking somewhere in the depths of the city of London. He learnt physics at Kings' College London and obtained a Master in Science there. Having earned an MCAD, he teeters on the brink of transitioning from C++ to C#, unsure of which language to jump to. Fortunately, he also knows how to use .NET interop to merge code between the two languages (which means he won't have to make the choice anytime soon).

His interests (apart from programming) are walking, football (the real one!), philosophy, history, retro-gaming, strategy gaming, and any good game in general.

He maintains a website / blog / FAQ / junk at shexec32.serveftp.net, where he places the best answers he's written to the questions you've asked. If you can find him, maybe you can hire Mr. Shah to help you with anything C++[/CLI]/C#/.NET related Smile | :) .

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