folly/folly/io/async/EventHandler.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 <cstddef>

#include <glog/logging.h>

#include <folly/io/async/EventBaseBackendBase.h>
#include <folly/io/async/EventUtil.h>
#include <folly/net/NetworkSocket.h>
#include <folly/portability/Event.h>

namespace folly {

class EventBase;

/**
 * The EventHandler class is used to asynchronously wait for events on a file
 * descriptor.
 *
 * Users that wish to wait on I/O events should derive from EventHandler and
 * implement the handlerReady() method.
 */
class EventHandler { … };

} // namespace folly