dbf9e800
 Hu Chunming
提交_GLIBCXX_USE_CX...
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// DEPRECATED in favor of adl_predestruct with deconstruct<T>().
// A simple framework for creating objects with predestructors.
// The objects must inherit from boost::signals2::predestructible, and
// have their lifetimes managed by
// boost::shared_ptr created with the boost::signals2::deconstruct_ptr()
// function.
//
// Copyright Frank Mori Hess 2007-2008.
//
//Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_SIGNALS2_PREDESTRUCTIBLE_HPP
#define BOOST_SIGNALS2_PREDESTRUCTIBLE_HPP
namespace boost
{
namespace signals2
{
template<typename T> class predestructing_deleter;
namespace predestructible_adl_barrier
{
class predestructible
{
protected:
predestructible() {}
public:
template<typename T>
friend void adl_postconstruct(const shared_ptr<T> &, ...)
{}
friend void adl_predestruct(predestructible *p)
{
p->predestruct();
}
virtual ~predestructible() {}
virtual void predestruct() = 0;
};
} // namespace predestructible_adl_barrier
using predestructible_adl_barrier::predestructible;
}
}
#endif // BOOST_SIGNALS2_PREDESTRUCTIBLE_HPP
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