// | |
// detail/null_tss_ptr.hpp | |
// ~~~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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 BOOST_ASIO_DETAIL_NULL_TSS_PTR_HPP | |
#define BOOST_ASIO_DETAIL_NULL_TSS_PTR_HPP | |
#if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
#include <boost/asio/detail/config.hpp> | |
#if !defined(BOOST_HAS_THREADS) || defined(BOOST_ASIO_DISABLE_THREADS) | |
#include <boost/asio/detail/noncopyable.hpp> | |
#include <boost/asio/detail/push_options.hpp> | |
namespace boost { | |
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 | |
} // namespace boost | |
#include <boost/asio/detail/pop_options.hpp> | |
#endif // !defined(BOOST_HAS_THREADS) || defined(BOOST_ASIO_DISABLE_THREADS) | |
#endif // BOOST_ASIO_DETAIL_NULL_TSS_PTR_HPP |