Function sync_right

code/Chapter9/9-32.c:24–36

        }
}
void sync_right()
{
        if(iam<mthreadnum)
        {
                while(isync[iam]==1)
                {
                        #pragma omp flush(isync)
                }
		#pragma omp flush(isync,a)
                isync[iam%(mthreadnum-1)]=1;
		#pragma omp flush(isync)
        }
}
int main()
{
	isync[0]=1;