xref: /foundation/resourceschedule/ffrt/interfaces/kits/cpp/sleep.h

/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @file sleep.h
 *
 * @brief Declares the sleep and yield interfaces in C++.
 *
 * @since 10
 * @version 1.0
 */
#ifndef FFRT_API_CPP_SLEEP_H
#define FFRT_API_CPP_SLEEP_H
#include <chrono>
#include "c/sleep.h"

namespace ffrt {
namespace this_task {
static inline void yield()
{
    ffrt_yield();
}

template <class _Rep, class _Period>
inline void sleep_for(const std::chrono::duration<_Rep, _Period>& d)
{
    ffrt_usleep(std::chrono::duration_cast<std::chrono::microseconds>(d).count());
}

template<class _Clock, class _Duration>
inline void sleep_until(
    const std::chrono::time_point<_Clock, _Duration>& abs_time)
{
    sleep_for(abs_time.time_since_epoch() - _Clock::now().time_since_epoch());
}
} // namespace this_task
} // namespace ffrt
#endif