mirror of
https://github.com/ton-blockchain/ton
synced 2025-02-13 11:42:18 +00:00
84 lines
2.2 KiB
C++
84 lines
2.2 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 2017-2020 Telegram Systems LLP
|
|
*/
|
|
#pragma once
|
|
|
|
#include "td/utils/port/config.h"
|
|
|
|
#ifdef TD_POLL_KQUEUE
|
|
|
|
#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 <cstdint>
|
|
|
|
#include <sys/types.h> // must be included before sys/event.h, which depends on sys/types.h on FreeBSD
|
|
|
|
#include <sys/event.h>
|
|
|
|
namespace td {
|
|
namespace detail {
|
|
|
|
class KQueue final : public PollBase {
|
|
public:
|
|
KQueue() = default;
|
|
KQueue(const KQueue &) = delete;
|
|
KQueue &operator=(const KQueue &) = delete;
|
|
KQueue(KQueue &&) = delete;
|
|
KQueue &operator=(KQueue &&) = delete;
|
|
~KQueue() override;
|
|
|
|
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:
|
|
vector<struct kevent> events_;
|
|
int changes_n_;
|
|
NativeFd kq_;
|
|
ListNode list_root_;
|
|
|
|
int update(int nevents, const timespec *timeout, bool may_fail = false);
|
|
|
|
void invalidate(int native_fd);
|
|
|
|
void flush_changes(bool may_fail = false);
|
|
|
|
void add_change(std::uintptr_t ident, int16 filter, uint16 flags, uint32 fflags, std::intptr_t data, void *udata);
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace td
|
|
|
|
#endif
|