Replace boost by the standalone asio library

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/asio/system_timer.hpp b/lib/asio/system_timer.hpp
new file mode 100644
index 0000000..e75e7d4
--- /dev/null
+++ b/lib/asio/system_timer.hpp
@@ -0,0 +1,42 @@
+//
+// system_timer.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_SYSTEM_TIMER_HPP
+#define ASIO_SYSTEM_TIMER_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_CHRONO) || defined(GENERATING_DOCUMENTATION)
+
+#include "asio/basic_waitable_timer.hpp"
+#include "asio/detail/chrono.hpp"
+
+namespace asio {
+
+/// Typedef for a timer based on the system clock.
+/**
+ * This typedef uses the C++11 @c <chrono> standard library facility, if
+ * available. Otherwise, it may use the Boost.Chrono library. To explicitly
+ * utilise Boost.Chrono, use the basic_waitable_timer template directly:
+ * @code
+ * typedef basic_waitable_timer<boost::chrono::system_clock> timer;
+ * @endcode
+ */
+typedef basic_waitable_timer<chrono::system_clock> system_timer;
+
+} // namespace asio
+
+#endif // defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_SYSTEM_TIMER_HPP