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-rw-r--r--3rdparty/asio/src/tests/latency/high_res_clock.hpp53
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diff --git a/3rdparty/asio/src/tests/latency/high_res_clock.hpp b/3rdparty/asio/src/tests/latency/high_res_clock.hpp
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+++ b/3rdparty/asio/src/tests/latency/high_res_clock.hpp
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+//
+// high_res_clock.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2016 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 HIGH_RES_CLOCK_HPP
+#define HIGH_RES_CLOCK_HPP
+
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+
+#if defined(ASIO_WINDOWS)
+
+inline boost::uint64_t high_res_clock()
+{
+ LARGE_INTEGER i;
+ QueryPerformanceCounter(&i);
+ return i.QuadPart;
+}
+
+#elif defined(__GNUC__) && defined(__x86_64__)
+
+inline boost::uint64_t high_res_clock()
+{
+ unsigned long low, high;
+ __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
+ return (((boost::uint64_t)high) << 32) | low;
+}
+
+#else
+
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+
+inline boost::uint64_t high_res_clock()
+{
+ boost::posix_time::ptime now =
+ boost::posix_time::microsec_clock::universal_time();
+
+ boost::posix_time::ptime epoch(
+ boost::gregorian::date(1970, 1, 1),
+ boost::posix_time::seconds(0));
+
+ return (now - epoch).total_microseconds();
+}
+
+#endif
+
+#endif // HIGH_RES_CLOCK_HPP