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tdlib-fork/tdutils/td/utils/port/detail/Epoll.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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/List.h"
#include "td/utils/port/detail/NativeFd.h"
#include "td/utils/port/detail/PollableFd.h"
#include "td/utils/port/PollBase.h"
#include "td/utils/port/PollFlags.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(PollableFd fd, PollFlags flags) override;
void unsubscribe(PollableFdRef fd) override;
void unsubscribe_before_close(PollableFdRef fd) override;
void run(int timeout_ms) override;
static bool is_edge_triggered() {
return true;
}
private:
NativeFd epoll_fd_;
vector<struct epoll_event> events_;
ListNode list_root_;
};
} // namespace detail
} // namespace td
#endif