/*
    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 2017-2020 Telegram Systems LLP
*/
#pragma once

#include "td/utils/port/config.h"

#ifdef TD_EVENTFD_LINUX

#include "td/utils/common.h"
#include "td/utils/port/detail/PollableFd.h"
#include "td/utils/port/EventFdBase.h"
#include "td/utils/Status.h"

namespace td {
namespace detail {
class EventFdLinuxImpl;

class EventFdLinux final : public EventFdBase {
  unique_ptr<EventFdLinuxImpl> impl_;

 public:
  EventFdLinux();
  EventFdLinux(EventFdLinux &&);
  EventFdLinux &operator=(EventFdLinux &&);
  ~EventFdLinux();

  void init() override;

  bool empty() override;

  void close() override;

  Status get_pending_error() override TD_WARN_UNUSED_RESULT;

  PollableFdInfo &get_poll_info() override;

  void release() override;

  void acquire() override;

  void wait(int timeout_ms) override;
};

}  // namespace detail
}  // namespace td

#endif