forked from lix-project/lix
std::condition_variable_any -> std::condition_variable
The latter is supposed to be more efficient.
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@ -54,7 +54,7 @@ private:
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Sync<State> state;
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std::condition_variable_any wakeup;
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std::condition_variable wakeup;
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public:
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@ -38,37 +38,37 @@ public:
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{
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private:
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Sync * s;
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std::unique_lock<std::mutex> lk;
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friend Sync;
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Lock(Sync * s) : s(s) { s->mutex.lock(); }
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Lock(Sync * s) : s(s), lk(s->mutex) { }
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public:
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Lock(Lock && l) : s(l.s) { l.s = 0; }
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Lock(Lock && l) : s(l.s) { abort(); }
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Lock(const Lock & l) = delete;
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~Lock() { if (s) s->mutex.unlock(); }
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~Lock() { }
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T * operator -> () { return &s->data; }
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T & operator * () { return s->data; }
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/* FIXME: performance impact of condition_variable_any? */
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void wait(std::condition_variable_any & cv)
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void wait(std::condition_variable & cv)
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{
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assert(s);
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cv.wait(s->mutex);
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cv.wait(lk);
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}
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template<class Rep, class Period, class Predicate>
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bool wait_for(std::condition_variable_any & cv,
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bool wait_for(std::condition_variable & cv,
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const std::chrono::duration<Rep, Period> & duration,
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Predicate pred)
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{
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assert(s);
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return cv.wait_for(s->mutex, duration, pred);
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return cv.wait_for(lk, duration, pred);
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}
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template<class Clock, class Duration>
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std::cv_status wait_until(std::condition_variable_any & cv,
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std::cv_status wait_until(std::condition_variable & cv,
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const std::chrono::time_point<Clock, Duration> & duration)
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{
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assert(s);
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return cv.wait_until(s->mutex, duration);
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return cv.wait_until(lk, duration);
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}
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};
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