From bb4dd8289b351fae6b55e303f189127a394a1edd Mon Sep 17 00:00:00 2001
From: Anas Nashif <anas.nashif@intel.com>
Date: Mon, 26 Aug 2013 08:15:55 -0400
Subject: Imported Upstream version 1.51.0

---
 boost/asio/detail/keyword_tss_ptr.hpp | 72 +++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 boost/asio/detail/keyword_tss_ptr.hpp

(limited to 'boost/asio/detail/keyword_tss_ptr.hpp')

diff --git a/boost/asio/detail/keyword_tss_ptr.hpp b/boost/asio/detail/keyword_tss_ptr.hpp
new file mode 100644
index 0000000000..10dd01a1f0
--- /dev/null
+++ b/boost/asio/detail/keyword_tss_ptr.hpp
@@ -0,0 +1,72 @@
+//
+// detail/keyword_tss_ptr.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2012 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_KEYWORD_TSS_PTR_HPP
+#define BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
+
+#include <boost/asio/detail/noncopyable.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+template <typename T>
+class keyword_tss_ptr
+  : private noncopyable
+{
+public:
+  // Constructor.
+  keyword_tss_ptr()
+  {
+  }
+
+  // Destructor.
+  ~keyword_tss_ptr()
+  {
+  }
+
+  // Get the value.
+  operator T*() const
+  {
+    return value_;
+  }
+
+  // Set the value.
+  void operator=(T* value)
+  {
+    value_ = value;
+  }
+
+private:
+  static __thread T* value_;
+};
+
+template <typename T>
+__thread T* keyword_tss_ptr<T>::value_;
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
+
+#endif // BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
-- 
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