From e95946831f8ef53d29590735a2df661385edb008 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 6 Aug 2018 10:35:22 +0200
Subject: Replace boost by the standalone asio library

---
 lib/asio/detail/std_thread.hpp | 71 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 lib/asio/detail/std_thread.hpp

(limited to 'lib/asio/detail/std_thread.hpp')

diff --git a/lib/asio/detail/std_thread.hpp b/lib/asio/detail/std_thread.hpp
new file mode 100644
index 0000000..a240308
--- /dev/null
+++ b/lib/asio/detail/std_thread.hpp
@@ -0,0 +1,71 @@
+//
+// detail/std_thread.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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 ASIO_DETAIL_STD_THREAD_HPP
+#define ASIO_DETAIL_STD_THREAD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_STD_THREAD)
+
+#include <thread>
+#include "asio/detail/noncopyable.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class std_thread
+  : private noncopyable
+{
+public:
+  // Constructor.
+  template <typename Function>
+  std_thread(Function f, unsigned int = 0)
+    : thread_(f)
+  {
+  }
+
+  // Destructor.
+  ~std_thread()
+  {
+    join();
+  }
+
+  // Wait for the thread to exit.
+  void join()
+  {
+    if (thread_.joinable())
+      thread_.join();
+  }
+
+  // Get number of CPUs.
+  static std::size_t hardware_concurrency()
+  {
+    return std::thread::hardware_concurrency();
+  }
+
+private:
+  std::thread thread_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_STD_THREAD)
+
+#endif // ASIO_DETAIL_STD_THREAD_HPP
-- 
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