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diff --git a/3rdParty/Boost/src/boost/asio/detail/win_mutex.hpp b/3rdParty/Boost/src/boost/asio/detail/win_mutex.hpp
new file mode 100644
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+++ b/3rdParty/Boost/src/boost/asio/detail/win_mutex.hpp
@@ -0,0 +1,151 @@
+//
+// win_mutex.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 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_WIN_MUTEX_HPP
+#define BOOST_ASIO_DETAIL_WIN_MUTEX_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/system/system_error.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#if defined(BOOST_WINDOWS)
+
+#include <boost/asio/error.hpp>
+#include <boost/asio/detail/noncopyable.hpp>
+#include <boost/asio/detail/socket_types.hpp>
+#include <boost/asio/detail/scoped_lock.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+class win_mutex
+  : private noncopyable
+{
+public:
+  typedef boost::asio::detail::scoped_lock<win_mutex> scoped_lock;
+
+  // Constructor.
+  win_mutex()
+  {
+    int error = do_init();
+    if (error != 0)
+    {
+      boost::system::system_error e(
+          boost::system::error_code(error,
+            boost::asio::error::get_system_category()),
+          "mutex");
+      boost::throw_exception(e);
+    }
+  }
+
+  // Destructor.
+  ~win_mutex()
+  {
+    ::DeleteCriticalSection(&crit_section_);
+  }
+
+  // Lock the mutex.
+  void lock()
+  {
+    int error = do_lock();
+    if (error != 0)
+    {
+      boost::system::system_error e(
+          boost::system::error_code(error,
+            boost::asio::error::get_system_category()),
+          "mutex");
+      boost::throw_exception(e);
+    }
+  }
+
+  // Unlock the mutex.
+  void unlock()
+  {
+    ::LeaveCriticalSection(&crit_section_);
+  }
+
+private:
+  // Initialisation must be performed in a separate function to the constructor
+  // since the compiler does not support the use of structured exceptions and
+  // C++ exceptions in the same function.
+  int do_init()
+  {
+#if defined(__MINGW32__)
+    // Not sure if MinGW supports structured exception handling, so for now
+    // we'll just call the Windows API and hope.
+    ::InitializeCriticalSection(&crit_section_);
+    return 0;
+#else
+    __try
+    {
+      ::InitializeCriticalSection(&crit_section_);
+    }
+    __except(GetExceptionCode() == STATUS_NO_MEMORY
+        ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH)
+    {
+      return ERROR_OUTOFMEMORY;
+    }
+
+    return 0;
+#endif
+  }
+
+  // Locking must be performed in a separate function to lock() since the
+  // compiler does not support the use of structured exceptions and C++
+  // exceptions in the same function.
+  int do_lock()
+  {
+#if defined(__MINGW32__)
+    // Not sure if MinGW supports structured exception handling, so for now
+    // we'll just call the Windows API and hope.
+    ::EnterCriticalSection(&crit_section_);
+    return 0;
+#else
+    __try
+    {
+      ::EnterCriticalSection(&crit_section_);
+    }
+    __except(GetExceptionCode() == STATUS_INVALID_HANDLE
+        || GetExceptionCode() == STATUS_NO_MEMORY
+        ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH)
+    {
+      if (GetExceptionCode() == STATUS_NO_MEMORY)
+        return ERROR_OUTOFMEMORY;
+      return ERROR_INVALID_HANDLE;
+    }
+
+    return 0;
+#endif
+  }
+
+  ::CRITICAL_SECTION crit_section_;
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_WINDOWS)
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_WIN_MUTEX_HPP