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#ifndef __UNITY_ATOMIC_REFCOUNTER_H
#define __UNITY_ATOMIC_REFCOUNTER_H
#include "AtomicOps.h"
// Used for threadsafe refcounting
class AtomicRefCounter {
private:
volatile int m_Counter;
public:
// Upon the construction the self-counter is always set to 1,
// which means that this instance is already accounted for.
// This scheme shaves off the cycles that would be consumed
// during the unavoidable first Retain call otherwise.
AtomicRefCounter() : m_Counter(1) {}
FORCE_INLINE void Retain ()
{
AtomicIncrement(&m_Counter);
}
FORCE_INLINE bool Release ()
{
int afterDecrement = AtomicDecrement(&m_Counter);
AssertIf( afterDecrement < 0 ); // If we hit this assert, someone is Releasing without matching it with Retain
return afterDecrement == 0;
}
};
#endif // __UNITY_ATOMIC_REFCOUNTER_H
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