#include <boost/interprocess/sync/interprocess_semaphore.hpp>
#include <boost/thread/thread.hpp>
#include <unistd.h>

boost::interprocess::interprocess_semaphore sem(0);

void thr1()
{
	sem.wait();
}

int main()
{
	boost::thread t1(thr1);
	sleep(10);
	sem.post();
	t1.join();
	return 0;
}