//
// 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/common.h"
#include "td/utils/port/Fd.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 const Fd &get_fd() const = 0;
virtual Fd &get_fd() = 0;
virtual Status get_pending_error() TD_WARN_UNUSED_RESULT = 0;
virtual void release() = 0;
virtual void acquire() = 0;
};
} // namespace td
