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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "clock.h"
#include <atomic>
#include <condition_variable>
#include <mutex>
namespace vespalib::metrics {
// internal
class SimpleTick : public Tick {
private:
std::mutex _lock;
std::atomic<bool> _runFlag;
std::condition_variable _cond;
public:
SimpleTick();
TimeStamp first() override;
TimeStamp next(TimeStamp prev) override;
void kill() override;
bool alive() const override;
};
} // namespace vespalib::metrics
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