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53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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/**
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*
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* KQueue.h
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* An Tao
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*
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* Copyright 2018, An Tao. All rights reserved.
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* https://github.com/an-tao/trantor
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* Use of this source code is governed by a BSD-style license
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* that can be found in the License file.
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*
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* Trantor
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*
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*/
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#pragma once
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#include "core/loops/event_loop.h"
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#include "core/loops/poller.h"
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#if (defined(__unix__) && !defined(__linux__)) || \
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(defined(__APPLE__) && defined(__MACH__))
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#define USE_KQUEUE
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#include <memory>
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#include <unordered_map>
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#include <vector>
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using EventList = std::vector<struct kevent>;
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#endif
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namespace trantor {
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class Channel;
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class KQueue : public Poller {
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public:
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explicit KQueue(EventLoop *loop);
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virtual ~KQueue();
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virtual void poll(int timeoutMs, ChannelList *activeChannels) override;
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virtual void updateChannel(Channel *channel) override;
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virtual void removeChannel(Channel *channel) override;
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virtual void resetAfterFork() override;
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private:
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#ifdef USE_KQUEUE
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static const int kInitEventListSize = 16;
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int kqfd_;
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EventList events_;
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using ChannelMap = std::unordered_map<int, std::pair<int, Channel *> >;
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ChannelMap channels_;
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void fillActiveChannels(int numEvents, ChannelList *activeChannels) const;
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void update(Channel *channel);
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#endif
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};
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} // namespace trantor
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