1 files changed, 47 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/interprocess/sync/windows/recursive_mutex.hpp b/src/third_party/boost-1.69.0/boost/interprocess/sync/windows/recursive_mutex.hpp
new file mode 100644
index 00000000000..bf406f8fec8
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+++ b/src/third_party/boost-1.69.0/boost/interprocess/sync/windows/recursive_mutex.hpp
@@ -0,0 +1,47 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2012. 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/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_DETAIL_WINDOWS_RECURSIVE_MUTEX_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINDOWS_RECURSIVE_MUTEX_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+#
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/sync/windows/mutex.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+//Windows mutex is already recursive
+class windows_recursive_mutex
+   : public windows_mutex
+{
+   windows_recursive_mutex(const windows_recursive_mutex &);
+   windows_recursive_mutex &operator=(const windows_recursive_mutex &);
+   public:
+   windows_recursive_mutex() : windows_mutex() {}
+};
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_WINDOWS_RECURSIVE_MUTEX_HPP