platform_system_core/init/epoll.h
Mark Salyzyn 6c6ec7240c init: separate out epoll into a class
Test: init_tests
Bug: 64114943
Change-Id: I5f03314773b02b9e30e8e21895b6bdcfd4909e88
2018-05-21 14:58:03 -07:00

49 lines
1.2 KiB
C++

/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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.
*/
#ifndef _INIT_EPOLL_H
#define _INIT_EPOLL_H
#include <chrono>
#include <functional>
#include <map>
#include <optional>
#include <android-base/unique_fd.h>
#include "result.h"
namespace android {
namespace init {
class Epoll {
public:
Epoll();
Result<Success> Open();
Result<Success> RegisterHandler(int fd, std::function<void()> handler);
Result<Success> UnregisterHandler(int fd);
Result<Success> Wait(std::optional<std::chrono::milliseconds> timeout);
private:
android::base::unique_fd epoll_fd_;
std::map<int, std::function<void()>> epoll_handlers_;
};
} // namespace init
} // namespace android
#endif