//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#pragma once
#include "td/utils/port/config.h"
#ifdef TD_POLL_EPOLL
#include "td/utils/common.h"
#include "td/utils/port/Fd.h"
#include "td/utils/port/PollBase.h"
#include <sys/epoll.h>
namespace td {
namespace detail {
class Epoll final : public PollBase {
public:
Epoll() = default;
Epoll(const Epoll &) = delete;
Epoll &operator=(const Epoll &) = delete;
Epoll(Epoll &&) = delete;
Epoll &operator=(Epoll &&) = delete;
~Epoll() override = default;
void init() override;
void clear() override;
void subscribe(const Fd &fd, Fd::Flags flags) override;
void unsubscribe(const Fd &fd) override;
void unsubscribe_before_close(const Fd &fd) override;
void run(int timeout_ms) override;
private:
int epoll_fd = -1;
vector<struct epoll_event> events;
};
} // namespace detail
} // namespace td
#endif
