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#ifndef _ARRAYLOCKFREEQUEUE_H___

#define _ARRAYLOCKFREEQUEUE_H___

#include <stdint.h>

#ifdef _WIN64

#define QUEUE_INT int64_t

#else

#define QUEUE_INT unsigned long

#endif

#define ARRAY_LOCK_FREE_Q_DEFAULT_SIZE 65535 // 2^16

template <typename ELEM_T, QUEUE_INT Q_SIZE = ARRAY_LOCK_FREE_Q_DEFAULT_SIZE>

class ArrayLockFreeQueue

{

public:

ArrayLockFreeQueue();

virtual ~ArrayLockFreeQueue();

QUEUE_INT size();

bool enqueue(const ELEM_T &a_data);

bool dequeue(ELEM_T &a_data);

bool try_dequeue(ELEM_T &a_data);

private:

ELEM_T m_thequeue[Q_SIZE];

volatile QUEUE_INT m_count;

volatile QUEUE_INT m_writeIndex;

volatile QUEUE_INT m_readIndex;

volatile QUEUE_INT m_maximumReadIndex;

inline QUEUE_INT countToIndex(QUEUE_INT a_count);

};

#include "ArrayLockFreeQueueImp.h"

#endif