摘要：通过对嵌入式操作系统的多线程机制的理论进行研究与分析，提出了一种应用在嵌入式操作系统中的多线程机制实现方案。方案以多线程机制的理论为基础，建立了多线程机制的实现模型，并以Cortex-M3内核为例，深入的分析了这种多线程机制模型的调度实现方案，以及多线程的创建，切换，延时功能函数的实现。嵌入式操作系统的多线程机制的实现以实际应用为基础，以堆栈溢出为例，着重探讨了多线程机制在实现过程当中需要注意的安全因素。
　　关键词：嵌入式；操作系统；多线程；进程；Cortex-M3
　　中图分类号：TP316文献标识码：A 文章编号：1009-3044(2011)07-1646-03
　　Research and Implement of Multi-threads Technology Based on Embedded OS
　　CHEN Xue-fang
　　(Computer School, Dongguan University of Technology, Dongguan 523808, China)
　　Abstract: A new implement of multi-threads technology in embedded operating system is introduced in this paper, which is developed from traditional theory of multi-threads technology. A model of this new implement of multi-threads is bulit up and then the schedule how to create create, switch and delay multi-threads are deeply analyzed. All these operation is implemented in Cortex-M3 core. The implement of multi-threads technology in embedded operating system is based on practical applic

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