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SpinWaitWaitStrategy.h
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34 lines (26 loc) · 926 Bytes
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#pragma once
#include <boost/thread.hpp>
#include "Disruptor/IWaitStrategy.h"
namespace Disruptor
{
/**
* Spin strategy that uses a SpinWait for IEventProcessors waiting on a barrier.
* This strategy is a good compromise between performance and CPU resource. Latency spikes can occur after quiet periods.
*/
class SpinWaitWaitStrategy : public IWaitStrategy
{
public:
/**
* \see IWaitStrategy.waitFor()
*/
std::int64_t waitFor(std::int64_t sequence,
Sequence& cursor,
ISequence& dependentSequence,
ISequenceBarrier& barrier) override;
/**
* \see IWaitStrategy.signalAllWhenBlocking()
*/
void signalAllWhenBlocking() override;
void writeDescriptionTo(std::ostream& stream) const override;
};
} // namespace Disruptor