1     /// 
 2     /// 调用Volatile.Write来写入最后一个值 3     /// 调用Volatile.Read来读取第一个值 4     /// 
 5     internal sealed class ThreadsSharingData 6     { 7         private int m_flag = 0; 8  9         private int m_value = 0;10 11         //线程112         public void Thread1()13         {14             m_value = 5;15 16             //在将1写入m_flag之前，必须先将5写入m_value17             Volatile.Write(ref m_flag, 1);18         }19 20         //线程221         public void Thread2()22         {23             //m_value必然在读取了m_flag之后读取24             if (Volatile.Read(ref m_flag) == 1)25             {26                 Console.WriteLine(m_value);27             }28         }29     }