// // 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_SELECT #include "td/utils/common.h" #include "td/utils/port/detail/PollableFd.h" #include "td/utils/port/PollBase.h" #include "td/utils/port/PollFlags.h" #include <sys/select.h> namespace td { namespace detail { class Select final : public PollBase { public: Select() = default; Select(const Select &) = delete; Select &operator=(const Select &) = delete; Select(Select &&) = delete; Select &operator=(Select &&) = delete; ~Select() 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 false; } private: struct FdInfo { PollableFd fd; PollFlags flags; }; vector<FdInfo> fds_; fd_set all_fd_; fd_set read_fd_; fd_set write_fd_; fd_set except_fd_; int max_fd_; }; } // namespace detail } // namespace td #endif