| Nachos中基于优先级调度器的实现 |
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| 引用本文： | 张芳琴. Nachos中基于优先级调度器的实现[J]. 佛山科学技术学院学报(自然科学版), 2013, 0(5): 27-33 |
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| 作者姓名： | 张芳琴 |
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| 作者单位： | 宁夏师范学院数学与计算机科学学院,宁夏固原756000 |
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| 基金项目： | 宁夏师范学院科学研究资助项目（YB201345）;宁夏师范学院2012年＂本科教学工程＂资助项目（JXGC2012A05,JXGC2012C01） |
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| 摘 要： | Nachos是一个可修改和跟踪的操作系统教学软件,它给出了一个支持多线程和虚拟存储的操作系统框架.Nachos提供的代码框架只有线程结构、SWITCH程序和相关的一些材料.在Nachos代码的基础上,完成先来先服务（FCFS）、非抢占式优先级（PRIO NP）、抢占式优先级（PRIO _P）3种进程调度算法的实现.
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| 关 键 词： | Nachos 进程（线程）调度 FCFS调度 非抢占式调度 抢占式调度 |
The implementation of scheduler based on priority in Nachos |
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| ZHANG Fang-qin. The implementation of scheduler based on priority in Nachos[J]. Journal of Foshan University(Natural Science Edition), 2013, 0(5): 27-33 |
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| Authors: | ZHANG Fang-qin |
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| Affiliation: | ZHANG Fang-qin (Department of Mathematics and Computer Science ,Ningxia Teacher＇s College ,Guyuan 756000,China) |
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| Abstract: | Nachos is an operating system software for teaching which can be modified and tracked, and an operating system framework provided in Nachos to support multiple threads and virtual memory. There is a code frame just including thread structure, program SWITCH and some other materials concerned in Nachos. Based on the codes provided, this paper implements three thread scheduling algorithms including FCFS,PRIO NP and PRIO_P. |
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| Keywords: | Nachos process/thread scheduling FCFS scheduling PRIO _ NP scheduling PRIO P scheduling |
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