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//
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// detail/tss_ptr.hpp
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// ~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_DETAIL_TSS_PTR_HPP
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#define BOOST_ASIO_DETAIL_TSS_PTR_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#if !defined(BOOST_ASIO_HAS_THREADS)
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# include <boost/asio/detail/null_tss_ptr.hpp>
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#elif defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
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# include <boost/asio/detail/keyword_tss_ptr.hpp>
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#elif defined(BOOST_ASIO_WINDOWS)
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# include <boost/asio/detail/win_tss_ptr.hpp>
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#elif defined(BOOST_ASIO_HAS_PTHREADS)
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# include <boost/asio/detail/posix_tss_ptr.hpp>
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#else
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# error Only Windows and POSIX are supported!
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#endif
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace detail {
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template <typename T>
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class tss_ptr
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#if !defined(BOOST_ASIO_HAS_THREADS)
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  : public null_tss_ptr<T>
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#elif defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
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  : public keyword_tss_ptr<T>
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#elif defined(BOOST_ASIO_WINDOWS)
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  : public win_tss_ptr<T>
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#elif defined(BOOST_ASIO_HAS_PTHREADS)
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  : public posix_tss_ptr<T>
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#endif
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{
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public:
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  void operator=(T* value)
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  {
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#if !defined(BOOST_ASIO_HAS_THREADS)
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    null_tss_ptr<T>::operator=(value);
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#elif defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
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    keyword_tss_ptr<T>::operator=(value);
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#elif defined(BOOST_ASIO_WINDOWS)
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    win_tss_ptr<T>::operator=(value);
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#elif defined(BOOST_ASIO_HAS_PTHREADS)
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    posix_tss_ptr<T>::operator=(value);
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#endif
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  }
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};
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} // namespace detail
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_DETAIL_TSS_PTR_HPP