#ifndef MONITOR_H
#define MONITOR_H
#include <QMutexLocker>
#include <QWaitCondition>
#include <queue>

using namespace std;

const int BUFFSIZE = 100;
//************************************************************

template<typename T>
class Monitor {
private:
    QMutex l;
    QWaitCondition full, empty;	// full: Condition variable for queue itemQ.
                                // empty: Condition variable for queue emptySpotsQ.

    queue<T *> emptySpotsQ;		// Queue of free item buffer places for items to be produced
    queue<T *> itemQ;			// Queue of item buffer places with items to be consumed
    T *buffer;					// Item buffer
public:
    T* canPut();
    T* canGet();
    void donePutting(T *x);
    void doneGetting(T *x);
    Monitor(int n = BUFFSIZE);
    ~Monitor();
};

#endif // MONITOR_H