| 实时信号量机制的研究 |
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| 引用本文： | 钟剑,蒋泽军,王丽芳,刘志强. 实时信号量机制的研究[J]. 现代电子技术, 2012, 35(2): 40-42,50 |
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| 作者姓名： | 钟剑 蒋泽军 王丽芳 刘志强 |
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| 作者单位： | 1. 西北工业大学计算机学院,陕西西安,710129
2. 西北工业大学软件与微电子学院,陕西西安,710072 |
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| 基金项目： | 航空科学基金资助项目（2010ZD53,2009ZD53044）;陕西省自然科学基金资助项目（2009JM8017,2009JQ021,2010JM8023）;西北工业大学种子基金资助项目（Z2011133） |
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| 摘 要： | 随着实时嵌入式技术的发展，越来越多的实时系统采用Windows操作系统平台。为了满足实时系统严格的响应时间要求，增加Windows操作系统的实时能力非常必要。进程间的通信是任何一个实时操作系统中必不可少的一部分，在此分析Windows操作系统原有进程间通信的弊端，提出改进方法，在Windows操作系统上减少进程间通信所消耗的时间，提高进程间通信的效率。
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| 关 键 词： | 进程间通信 信号量 MDL 实时操作系统 |
Research of real-time semaphore mechanism |
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| ZHONG Jian , JIANG Ze-jun , WANG Li-fang , LIU Zhi-qiang. Research of real-time semaphore mechanism[J]. Modern Electronic Technique, 2012, 35(2): 40-42,50 |
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| Authors: | ZHONG Jian JIANG Ze-jun WANG Li-fang LIU Zhi-qiang |
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| Affiliation: | 1. School of Computer Science, Northwestern Polytechnieal University, Xi＇an 710129, China; 2. School of Software and Microeleetronics, Northwestern Polytechnieal University, Xi＇an 710072, China) |
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| Abstract: | With development of real-time embedded technology, the operating system platform of Windows series is increasingly adopted by real-time systems. To meet the strict request of response time for real-time systems, it is necessary for Windows operating system to add its real-time ability. Since the inter process communication （IPC） is an absolutely essential part of any real-time operating system, the original IPC disadvantages of Windows operating system are analyzed, and an improvement method is proposed. That is, the time consumed by PIC is reduced in Windows operating system, and the efficiency of IPC is enhanced. |
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| Keywords: | IPC semaphore MDL real-time operating system |
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