35 lines
980 B
C++
35 lines
980 B
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include <chrono>
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namespace td {
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class ClocksBase {
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public:
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using Duration = double;
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};
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// TODO: (maybe) write system specific functions.
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class ClocksDefault {
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public:
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using Duration = ClocksBase::Duration;
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static Duration monotonic() {
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auto duration = std::chrono::steady_clock::now().time_since_epoch();
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return static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count()) * 1e-9;
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}
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static Duration system() {
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auto duration = std::chrono::system_clock::now().time_since_epoch();
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return static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count()) * 1e-9;
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}
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};
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using Clocks = ClocksDefault;
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} // namespace td
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