一组生产者向一组消费者提供消息，它们共享一个有界缓冲池，生产者向其中投放消息，消费者从中取得消息。只要缓冲池未满，生产者可将消息送入缓冲池；只要缓冲池未空，消费者可从缓冲池取走一个消息。-A group of a group of producers to provide consumers with information, they share a community pool, producers put messages to which consumers get the news. As long as the buffer pool below, the producer may be sent to the buffer pool information　as long as the buffer pool is not empty, consumers can take away from a message buffer pool.