基于VxWorks的嵌入式实验源程序msgQDemo.c及头文件msgQDemo.h，使用消息队列实现任务间的通信，生产者任务通过消息队列向消费者任务传递8条消息。-Based on VxWorks embedded experimental source and header files msgQDemo.c msgQDemo.h, use the Message Queue task to achieve communication between the producer to the c