59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
|
|
//
|
|
// 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/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:
|
|
int epoll_fd = -1;
|
|
vector<struct epoll_event> events;
|
|
ListNode list_root;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace td
|
|
|
|
#endif
|