介绍了QNX实时操作系统和多线程编程技术，包括线程间同步的方法、多线程程序的分析步骤、线程基本程序结构以及实用编译方法 -Introduced the QNX real-time operating system and multi-threaded programming technologies, including inter-thread synchronization methods, multi-threaded program analysis of the steps, thread structure of the basic procedures and practical methods to compile