linux下进程间通讯列子，包括消息队列，共享内存等-linux Liezi under the process of communication, including message queues, shared memory, etc.

ipc v 消息队列的demo例子 创建消息队列后，发一个，收一个，最后删除消息队列-ipc v Message Queue Message Queue to create demo example, the hair of a close one, and finally delete the message queue