folly/folly/executors/EDFThreadPoolExecutor.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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.
 */

#pragma once

#include <atomic>
#include <cstddef>
#include <limits>
#include <memory>
#include <vector>

#include <folly/executors/SoftRealTimeExecutor.h>
#include <folly/executors/ThreadPoolExecutor.h>

namespace folly {

class EDFThreadPoolSemaphore { … };

template <class Semaphore>
class EDFThreadPoolSemaphoreImpl : public EDFThreadPoolSemaphore { … };

/**
 * `EDFThreadPoolExecutor` is a `SoftRealTimeExecutor` that implements the
 * earliest-deadline-first scheduling policy. Deadline ties are resolved by
 * submission order.
 */
class EDFThreadPoolExecutor : public SoftRealTimeExecutor,
                              public ThreadPoolExecutor { … };

} // namespace folly