SpinLock.hpp

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#pragma once
#include <Pothos/Config.hpp>
#include <atomic>

namespace Pothos {
namespace Util {

class POTHOS_API SpinLock
{
public:

    SpinLock(void)
    {
        this->unlock();
    }

    void lock(void)
    {
        while (_lock.test_and_set(std::memory_order_acquire)){}
    }

    void unlock(void)
    {
        _lock.clear(std::memory_order_release);
    }

private:
    std::atomic_flag _lock;
};

} //namespace Util
} //namespace Pothos