threadsafesingleton.h

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/*
 * threadsafesingleton.h
 *
 *  Created on: Aug 7, 2015
 *      Author: f4exb
 */

#ifndef INCLUDE_UTIL_THREADSAFESINGLETON_H_
#define INCLUDE_UTIL_THREADSAFESINGLETON_H_


template <class S> class ThreadSafeSingleton
{
public:
    static S& instance() { return *_pInstance; }

protected:
    ThreadSafeSingleton() {}
    ~ThreadSafeSingleton() { delete _pInstance; }
    static S* _pInstance;

private:
    ThreadSafeSingleton(const ThreadSafeSingleton&) {}
    ThreadSafeSingleton& operator = (const ThreadSafeSingleton&) {return *this;}
};

template <class S> S *ThreadSafeSingleton<S>::_pInstance = new S;

#endif /* INCLUDE_UTIL_THREADSAFESINGLETON_H_ */