xref: /4.0.0/platform/src/cxxtime.cc (revision 33df39e7)
1/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2/*
3 *     Copyright 2014 Couchbase, Inc
4 *
5 *   Licensed under the Apache License, Version 2.0 (the "License");
6 *   you may not use this file except in compliance with the License.
7 *   You may obtain a copy of the License at
8 *
9 *       http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *   Unless required by applicable law or agreed to in writing, software
12 *   distributed under the License is distributed on an "AS IS" BASIS,
13 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *   See the License for the specific language governing permissions and
15 *   limitations under the License.
16 */
17#include "config.h"
18#include <chrono>
19
20extern "C" hrtime_t gethrtime(void)
21{
22    auto now = std::chrono::high_resolution_clock::now();
23    return std::chrono::duration_cast<std::chrono::nanoseconds>(now.time_since_epoch()).count();
24}
25
26extern "C" hrtime_t gethrtime_period(void)
27{
28    std::chrono::nanoseconds ns = std::chrono::high_resolution_clock::duration(1);
29    return ns.count();
30}
31