71 lines
1.2 KiB
C++
71 lines
1.2 KiB
C++
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//
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// null_tss_ptr.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2008 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 ASIO_DETAIL_NULL_TSS_PTR_HPP
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#define ASIO_DETAIL_NULL_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 "asio/detail/push_options.hpp"
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#include "asio/detail/push_options.hpp"
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#include <boost/config.hpp>
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#include "asio/detail/pop_options.hpp"
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#if !defined(BOOST_HAS_THREADS)
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#include "asio/detail/noncopyable.hpp"
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namespace asio {
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namespace detail {
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template <typename T>
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class null_tss_ptr
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: private noncopyable
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{
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public:
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// Constructor.
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null_tss_ptr()
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: value_(0)
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{
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}
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// Destructor.
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~null_tss_ptr()
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{
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}
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// Get the value.
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operator T*() const
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{
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return value_;
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}
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// Set the value.
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void operator=(T* value)
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{
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value_ = value;
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}
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private:
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T* value_;
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};
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} // namespace detail
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} // namespace asio
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#endif // !defined(BOOST_HAS_THREADS)
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_DETAIL_NULL_TSS_PTR_HPP
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