61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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/* Copyright 2016, Ableton AG, Berlin. All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If you would like to incorporate Link into a proprietary software application,
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* please contact <link-devs@ableton.com>.
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*/
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#pragma once
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#include <chrono>
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#include <cmath>
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#include <ctime>
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namespace ableton
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{
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namespace platforms
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{
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#ifdef linux
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#undef linux
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#endif
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#if defined(__FreeBSD_kernel__)
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#define CLOCK_MONOTONIC_RAW CLOCK_MONOTONIC
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#endif
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namespace linux
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{
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template <clockid_t CLOCK>
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class Clock
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{
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public:
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std::chrono::microseconds micros() const
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{
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::timespec ts;
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::clock_gettime(CLOCK, &ts);
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std::uint64_t ns = ts.tv_sec * 1000000000ULL + ts.tv_nsec;
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return std::chrono::microseconds(ns / 1000ULL);
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}
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};
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using ClockMonotonic = Clock<CLOCK_MONOTONIC>;
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using ClockMonotonicRaw = Clock<CLOCK_MONOTONIC_RAW>;
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} // namespace linux
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} // namespace platforms
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} // namespace ableton
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