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63 lines
1.5 KiB
63 lines
1.5 KiB
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
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/* |
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* Copyright (C) 2016 Intel Corporation. All rights reserved. |
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* |
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* This file is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This file is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* See the GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#pragma once |
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#include <sys/epoll.h> |
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#include <unistd.h> |
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#include "AP_HAL/utility/RingBuffer.h" |
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#include "Semaphores.h" |
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namespace Linux { |
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class Poller; |
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class Pollable { |
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friend class Poller; |
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public: |
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Pollable(int fd) : _fd(fd) { } |
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Pollable() : _fd(-1) { } |
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virtual ~Pollable(); |
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int get_fd() const { return _fd; } |
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virtual void on_can_read() { } |
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virtual void on_can_write() { } |
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virtual void on_error() { } |
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virtual void on_hang_up() { } |
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protected: |
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int _fd; |
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}; |
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class Poller { |
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public: |
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Poller() : _epfd(epoll_create1(EPOLL_CLOEXEC)) { } |
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~Poller() { close(_epfd); } |
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bool register_pollable(Pollable*, uint32_t events); |
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void unregister_pollable(const Pollable*); |
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int poll() const; |
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private: |
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int _epfd; |
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}; |
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}
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