1 files changed, 59 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/macos_fenced_block.hpp b/3rdParty/Boost/src/boost/asio/detail/macos_fenced_block.hpp
new file mode 100644
index 0000000..496d7f0
--- /dev/null
+++ b/3rdParty/Boost/src/boost/asio/detail/macos_fenced_block.hpp
@@ -0,0 +1,59 @@
+//
+// macos_fenced_block.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2010 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_MACOS_FENCED_BLOCK_HPP
+#define BOOST_ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/config.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#if defined(__MACH__) && defined(__APPLE__)
+
+#include <boost/asio/detail/push_options.hpp>
+#include <libkern/OSAtomic.h>
+#include <boost/asio/detail/pop_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+class macos_fenced_block
+  : private noncopyable
+{
+public:
+  // Constructor.
+  macos_fenced_block()
+  {
+    OSMemoryBarrier();
+  }
+
+  // Destructor.
+  ~macos_fenced_block()
+  {
+    OSMemoryBarrier();
+  }
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#endif // defined(__MACH__) && defined(__APPLE__)
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP