source_2014122014634355

代码说明：

  消息队列提供了一种由一个进程向另一个进程发送块数据的方法。另外，每一个数据块被看作有一个类型，而接收进程可以独立接收具有不同类型的数据块。 (Message queue is provided a transmission block of data one process to another process method. Also, each data block is treated as a type, the receiving process can independently receive data blocks having different types.)