Added boost header

test/external/boost/flyweight/simple_locking.hpp

@@ -0,0 +1,37 @@
+/* Copyright 2006-2008 Joaquin M Lopez Munoz.
+ * 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)
+ *
+ * See http://www.boost.org/libs/flyweight for library home page.
+ */
+
+#ifndef BOOST_FLYWEIGHT_SIMPLE_LOCKING_HPP
+#define BOOST_FLYWEIGHT_SIMPLE_LOCKING_HPP
+
+#if defined(_MSC_VER)&&(_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <boost/flyweight/detail/recursive_lw_mutex.hpp>
+#include <boost/flyweight/simple_locking_fwd.hpp>
+#include <boost/flyweight/locking_tag.hpp>
+
+/* simple locking policy based on native recursive mutexes */
+
+namespace boost{
+
+namespace flyweights{
+
+struct simple_locking:locking_marker
+{
+  typedef detail::recursive_lightweight_mutex mutex_type;
+  typedef mutex_type::scoped_lock             lock_type;
+};
+
+} /* namespace flyweights */
+
+} /* namespace boost */
+
+#endif