annotate DEPENDENCIES/generic/include/boost/asio/detail/null_static_mutex.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1 //
Chris@16 2 // detail/null_static_mutex.hpp
Chris@16 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris@16 4 //
Chris@101 5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16 6 //
Chris@16 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 9 //
Chris@16 10
Chris@16 11 #ifndef BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP
Chris@16 12 #define BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP
Chris@16 13
Chris@16 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16 15 # pragma once
Chris@16 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16 17
Chris@16 18 #include <boost/asio/detail/config.hpp>
Chris@16 19
Chris@16 20 #if !defined(BOOST_ASIO_HAS_THREADS)
Chris@16 21
Chris@16 22 #include <boost/asio/detail/scoped_lock.hpp>
Chris@16 23
Chris@16 24 #include <boost/asio/detail/push_options.hpp>
Chris@16 25
Chris@16 26 namespace boost {
Chris@16 27 namespace asio {
Chris@16 28 namespace detail {
Chris@16 29
Chris@16 30 struct null_static_mutex
Chris@16 31 {
Chris@16 32 typedef boost::asio::detail::scoped_lock<null_static_mutex> scoped_lock;
Chris@16 33
Chris@16 34 // Initialise the mutex.
Chris@16 35 void init()
Chris@16 36 {
Chris@16 37 }
Chris@16 38
Chris@16 39 // Lock the mutex.
Chris@16 40 void lock()
Chris@16 41 {
Chris@16 42 }
Chris@16 43
Chris@16 44 // Unlock the mutex.
Chris@16 45 void unlock()
Chris@16 46 {
Chris@16 47 }
Chris@16 48
Chris@16 49 int unused_;
Chris@16 50 };
Chris@16 51
Chris@16 52 #define BOOST_ASIO_NULL_STATIC_MUTEX_INIT { 0 }
Chris@16 53
Chris@16 54 } // namespace detail
Chris@16 55 } // namespace asio
Chris@16 56 } // namespace boost
Chris@16 57
Chris@16 58 #include <boost/asio/detail/pop_options.hpp>
Chris@16 59
Chris@16 60 #endif // !defined(BOOST_ASIO_HAS_THREADS)
Chris@16 61
Chris@16 62 #endif // BOOST_ASIO_DETAIL_NULL_STATIC_MUTEX_HPP