barrier.h

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#ifndef CPPBENCHMARK_BARRIER_H
#define CPPBENCHMARK_BARRIER_H
 
#include <condition_variable>
#include <mutex>
 
namespace CppBenchmark {
 
 
class Barrier
{
public:
 
    explicit Barrier(int threads) noexcept;
    Barrier(const Barrier&) = delete;
    Barrier(Barrier&&) = delete;
    ~Barrier() = default;
 
    Barrier& operator=(const Barrier&) = delete;
    Barrier& operator=(Barrier&&) = delete;
 
 
    bool Wait() noexcept;
 
private:
    std::mutex _mutex;
    std::condition_variable _cond;
    int _counter;
    int _generation;
    int _threads;
};
 
} // namespace CppBenchmark
 
#endif // CPPBENCHMARK_BARRIER_H