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

45 lines
1.5 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/common.h"
#include "td/utils/port/detail/PollableFd.h"
#include "td/utils/Status.h"
namespace td {
class EventFdBase {
public:
EventFdBase() = default;
EventFdBase(const EventFdBase &) = delete;
EventFdBase &operator=(const EventFdBase &) = delete;
EventFdBase(EventFdBase &&) = default;
EventFdBase &operator=(EventFdBase &&) = default;
virtual ~EventFdBase() = default;
virtual void init() = 0;
virtual bool empty() = 0;
virtual void close() = 0;
virtual PollableFdInfo &get_poll_info() = 0;
virtual Status get_pending_error() TD_WARN_UNUSED_RESULT = 0;
virtual void release() = 0;
virtual void acquire() = 0;
virtual void wait(int timeout_ms) = 0;
};
} // namespace td