/*Racing Example*/
#include <iostream>
#include <boost/thread.hpp>
#include <boost/thread.hpp>
//#include <boost/atomic.hpp>
#include <boost/thread/mutex.hpp>

using namespace std;
using namespace boost;
int counter;
boost::mutex mtx;
//boost::atomic<int> counter(0);
void worker(){
	for(int i=0;i<100000;i++){
		mtx.lock();
		++counter;
		mtx.unlock();
	}
}

int main(){
	thread *t1=new thread(worker);
	thread t2(worker);
	thread *t3=new thread(worker);
	thread *t4=new thread(worker);

	t1->join();
	t2.join();
	t3->join();
	t4->join();
	cout<<"Final counter="<<counter<<endl;

return 0;

}