Chris@16: //
Chris@16: // detail/null_static_mutex.hpp
Chris@16: // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris@16: //
Chris@101: // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP
Chris@16: #define BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: # pragma once
Chris@16: #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: 
Chris@16: #include <boost/asio/detail/config.hpp>
Chris@16: 
Chris@16: #if !defined(BOOST_ASIO_HAS_THREADS)
Chris@16: 
Chris@16: #include <boost/asio/detail/scoped_lock.hpp>
Chris@16: 
Chris@16: #include <boost/asio/detail/push_options.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace asio {
Chris@16: namespace detail {
Chris@16: 
Chris@16: struct null_static_mutex
Chris@16: {
Chris@16:   typedef boost::asio::detail::scoped_lock<null_static_mutex> scoped_lock;
Chris@16: 
Chris@16:   // Initialise the mutex.
Chris@16:   void init()
Chris@16:   {
Chris@16:   }
Chris@16: 
Chris@16:   // Lock the mutex.
Chris@16:   void lock()
Chris@16:   {
Chris@16:   }
Chris@16: 
Chris@16:   // Unlock the mutex.
Chris@16:   void unlock()
Chris@16:   {
Chris@16:   }
Chris@16: 
Chris@16:   int unused_;
Chris@16: };
Chris@16: 
Chris@16: #define BOOST_ASIO_NULL_STATIC_MUTEX_INIT { 0 }
Chris@16: 
Chris@16: } // namespace detail
Chris@16: } // namespace asio
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/asio/detail/pop_options.hpp>
Chris@16: 
Chris@16: #endif // !defined(BOOST_ASIO_HAS_THREADS)
Chris@16: 
Chris@16: #endif // BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP