ibrcommon/ibrcommon/thread/AtomicCounter.h

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/*
 * AtomicCounter.h
 *
 *  Created on: 12.02.2010
 *      Author: morgenro
 */

#ifndef ATOMICCOUNTER_H_
#define ATOMICCOUNTER_H_

#include "ibrcommon/thread/Conditional.h"

namespace ibrcommon
{
        class AtomicCounter {
        public:
                AtomicCounter(int init = 0);
                virtual ~AtomicCounter();

                int value();
                void wait(int until = 0);

                void unblockAll();

                AtomicCounter& operator++();
                AtomicCounter operator++(int);

                AtomicCounter& operator--();
                AtomicCounter operator--(int);

                class Lock
                {
                public:
                        Lock(AtomicCounter &counter);
                        virtual ~Lock();

                private:
                        AtomicCounter &_counter;
                };

        private:
                ibrcommon::Conditional _lock;
                int _value;
                bool _unblock;

        };
}


#endif /* ATOMICCOUNTER_H_ */