hayodea
0733bb9a68
Nothing much to add: add a spinlock which has a tryAcquire method. This will be used as a primitive for building our spinQing locking system.
36 lines
424 B
C++
36 lines
424 B
C++
#ifndef SPIN_LOCK_H
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#define SPIN_LOCK_H
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#include <atomic>
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namespace smo {
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/**
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* @brief Simple spinlock using std::atomic
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*/
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class SpinLock
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{
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public:
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SpinLock()
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: locked(false)
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{}
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bool tryAcquire()
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{
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bool expected = false;
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return locked.compare_exchange_strong(expected, true);
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}
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void release()
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{
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locked.store(false);
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}
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private:
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std::atomic<bool> locked;
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};
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} // namespace smo
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#endif // SPIN_LOCK_H
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