1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16/**
17 * @file sleep.h
18 *
19 * @brief Declares the sleep and yield interfaces in C++.
20 *
21 * @since 10
22 * @version 1.0
23 */
24#ifndef FFRT_API_CPP_SLEEP_H
25#define FFRT_API_CPP_SLEEP_H
26#include <chrono>
27#include "c/sleep.h"
28
29namespace ffrt {
30namespace this_task {
31static inline void yield()
32{
33    ffrt_yield();
34}
35
36template <class _Rep, class _Period>
37inline void sleep_for(const std::chrono::duration<_Rep, _Period>& d)
38{
39    ffrt_usleep(std::chrono::duration_cast<std::chrono::microseconds>(d).count());
40}
41
42template<class _Clock, class _Duration>
43inline void sleep_until(
44    const std::chrono::time_point<_Clock, _Duration>& abs_time)
45{
46    sleep_for(abs_time.time_since_epoch() - _Clock::now().time_since_epoch());
47}
48} // namespace this_task
49} // namespace ffrt
50#endif
51