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//
// detail/null_tss_ptr.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under 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 ASIO_DETAIL_NULL_TSS_PTR_HPP
#define ASIO_DETAIL_NULL_TSS_PTR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if !defined(ASIO_HAS_THREADS)
#include "asio/detail/noncopyable.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
template <typename T>
class null_tss_ptr
: private noncopyable
{
public:
// Constructor.
null_tss_ptr()
: value_(0)
{
}
// Destructor.
~null_tss_ptr()
{
}
// Get the value.
operator T*() const
{
return value_;
}
// Set the value.
void operator=(T* value)
{
value_ = value;
}
private:
T* value_;
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // !defined(ASIO_HAS_THREADS)
#endif // ASIO_DETAIL_NULL_TSS_PTR_HPP
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