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ton/tdutils/td/utils/port/detail/Epoll.h
2019-09-07 14:33:36 +04:00

72 lines
1.8 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#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