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35 lines
675 B
35 lines
675 B
#ifndef CHANNEL_HPP
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#define CHANNEL_HPP
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#include <mutex>
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#include <list>
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#include <condition_variable>
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template<class item>
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class channel {
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private:
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std::list<item> queue;
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std::mutex m;
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std::condition_variable cv;
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public:
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void put(const item &i) {
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std::unique_lock<std::mutex> lock(m);
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queue.push_back(i);
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cv.notify_one();
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}
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void put_front(const item &i) {
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std::unique_lock<std::mutex> lock(m);
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queue.push_front(i);
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cv.notify_one();
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}
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item get() {
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std::unique_lock<std::mutex> lock(m);
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cv.wait(lock, [&](){ return !queue.empty(); });
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item result = queue.front();
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queue.pop_front();
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return result;
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}
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};
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#endif
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