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CyC2018
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notes/计算机操作系统.md
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notes/计算机操作系统.md
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<!-- GFM-TOC -->
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* [<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>](#<23><>һ<EFBFBD><D2BB>-<2D><><EFBFBD><EFBFBD>)
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* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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* [2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#2-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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* [3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [4. <EFBFBD>첽](#4-<EFBFBD>첽)
|
||||
* [ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD>](#<23>жϷ<D0B6><CFB7><EFBFBD>)
|
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* [1. <EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>)
|
||||
* [2. <EFBFBD>쳣](#2-<EFBFBD>쳣)
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||||
* [3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD>ں˺<EFBFBD><EFBFBD>ں<EFBFBD>](#<23><><EFBFBD>ں˺<DABA><EFBFBD>ں<EFBFBD>)
|
||||
* [1. <EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD>)
|
||||
* [2. <EFBFBD>ں<EFBFBD>](#2-<EFBFBD>ں<EFBFBD>)
|
||||
* [<EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>̹<EFBFBD><CCB9><EFBFBD>](#<23>ڶ<EFBFBD><DAB6><EFBFBD>-<2D><><EFBFBD>̹<EFBFBD><CCB9><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>)
|
||||
* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2. <EFBFBD>߳<EFBFBD>](#2-<EFBFBD>߳<EFBFBD>)
|
||||
* [3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD>л<EFBFBD>](#<23><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD>л<EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨](#<23><><EFBFBD><EFBFBD><EFBFBD>㷨)
|
||||
* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>](#1-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5>еĵ<D0B5><C4B5><EFBFBD>)
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||||
* [1.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FCFS<EFBFBD><EFBFBD>](#11-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD>fcfs)
|
||||
* [1.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SJF<EFBFBD><EFBFBD>](#12-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>sjf)
|
||||
* [1.3 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SRTN<EFBFBD><EFBFBD>](#13-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>srtn)
|
||||
* [2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>](#2-<2D><><EFBFBD><EFBFBD>ʽϵͳ<CFB5>еĵ<D0B5><C4B5><EFBFBD>)
|
||||
* [2.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#21-<2D><><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>)
|
||||
* [2.2 ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD>ת](#22-ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD>ת)
|
||||
* [2.3 <EFBFBD>༶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#23-<2D>༶<EFBFBD><E0BCB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2.4 <EFBFBD>̽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#24-<2D>̽<EFBFBD><CCBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [3. ʵʱϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>](#3-ʵʱϵͳ<CFB5>еĵ<D0B5><C4B5><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>)
|
||||
* [1. <EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>](#1-<EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2. ͬ<EFBFBD><EFBFBD><EFBFBD>뻥<EFBFBD><EFBFBD>](#2-ͬ<><CDAC><EFBFBD>뻥<EFBFBD><EBBBA5>)
|
||||
* [3. <EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>](#3-<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [4. <EFBFBD>ܳ<EFBFBD>](#4-<EFBFBD>ܳ<EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>)
|
||||
* [1. <EFBFBD>ܵ<EFBFBD>](#1-<EFBFBD>ܵ<EFBFBD>)
|
||||
* [2. <EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>](#2-<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [3. <EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<2D><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>)
|
||||
* [4. <EFBFBD>ź<EFBFBD>](#4-<EFBFBD>ź<EFBFBD>)
|
||||
* [5. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>](#5-<2D><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>)
|
||||
* [6. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#6-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>-д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#1-<2D><><EFBFBD><EFBFBD>-д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2. <EFBFBD><EFBFBD>ѧ<EFBFBD>ҽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#2-<2D><>ѧ<EFBFBD>ҽ<EFBFBD><D2BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#1-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><EFBFBD>](#2-<2D><><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>)
|
||||
* [2.1 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#21-<2D>ƻ<EFBFBD><C6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2.2 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#22-<2D>ƻ<EFBFBD><C6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [2.3 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#23-<2D>ƻ<EFBFBD><C6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD>)
|
||||
* [2.4 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD>·<EFBFBD>ȴ<EFBFBD>](#24-<2D>ƻ<EFBFBD><C6BB><EFBFBD>·<EFBFBD>ȴ<EFBFBD>)
|
||||
* [3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [3.1 <EFBFBD><EFBFBD>ȫ״̬](#31-<EFBFBD><EFBFBD>ȫ״̬)
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||||
* [3.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>㷨](#32-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>㷨)
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||||
* [3.3 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>㷨](#33-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>㷨)
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||||
* [4. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>](#4-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>)
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* [4.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨](#41-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨)
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* [4.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>](#42-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>)
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* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>)
|
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* [<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>](#<23><>ҳ<EFBFBD><D2B3><EFBFBD>ֶ<EFBFBD>)
|
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* [1. <EFBFBD><EFBFBD>ҳ](#1-<EFBFBD><EFBFBD>ҳ)
|
||||
* [2. <EFBFBD>ֶ<EFBFBD>](#2-<EFBFBD>ֶ<EFBFBD>)
|
||||
* [3. <EFBFBD><EFBFBD>ҳʽ](#3-<EFBFBD><EFBFBD>ҳʽ)
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* [4. <EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#4-<2D><>ҳ<EFBFBD><D2B3><EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD>)
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* [ҳ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>㷨](#ҳ<><D2B3><EFBFBD>û<EFBFBD><C3BB>㷨)
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* [1. <EFBFBD><EFBFBD><EFBFBD>ѣ<EFBFBD>Optimal<EFBFBD><EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>optimal)
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* [2. <EFBFBD>Ƚ<EFBFBD><EFBFBD>ȳ<EFBFBD><EFBFBD><EFBFBD>FIFO<EFBFBD><EFBFBD>](#2-<EFBFBD>Ƚ<EFBFBD><EFBFBD>ȳ<EFBFBD>fifo)
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* [3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δʹ<EFBFBD>ã<EFBFBD>LRU<EFBFBD><EFBFBD>Least Recently Used<EFBFBD><EFBFBD>](#3-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δʹ<EFBFBD><EFBFBD>lru<EFBFBD><EFBFBD>least-recently-used)
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* [4. ʱ<EFBFBD>ӣ<EFBFBD>Clock<EFBFBD><EFBFBD>](#4-ʱ<EFBFBD><EFBFBD>clock)
|
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* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>)
|
||||
* [<EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨](#<23><><EFBFBD>̵<EFBFBD><CCB5><EFBFBD><EFBFBD>㷨)
|
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* [1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FCFS<EFBFBD><EFBFBD>First Come First Serverd<EFBFBD><EFBFBD>](#1-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD>fcfs<EFBFBD><EFBFBD>first-come-first-serverd)
|
||||
* [2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SSTF<EFBFBD><EFBFBD>Shortest Seek Time First<EFBFBD><EFBFBD>](#2-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>sstf<EFBFBD><EFBFBD>shortest-seek-time-first)
|
||||
* [3. ɨ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>SCAN<EFBFBD><EFBFBD>](#3-ɨ<EFBFBD><EFBFBD><EFBFBD>㷨scan)
|
||||
* [4. ѭ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>CSCAN<EFBFBD><EFBFBD>](#4-ѭ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD>㷨cscan)
|
||||
* [<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23>ο<EFBFBD><CEBF><EFBFBD><EFBFBD><EFBFBD>)
|
||||
* [????? ????](#?????-????)
|
||||
* [??????????????](#??????????????)
|
||||
* [1. ????](#1-????)
|
||||
* [2. ????](#2-????)
|
||||
* [3. ????](#3-????)
|
||||
* [4. ??](#4-??)
|
||||
* [??????](#??????)
|
||||
* [?<3F><>????](#?<3F><>????)
|
||||
* [1. ???<3F><>?](#1-???<3F><>?)
|
||||
* [2. ??](#2-??)
|
||||
* [3. ????](#3-????)
|
||||
* [??????????](#??????????)
|
||||
* [1. ?????](#1-?????)
|
||||
* [2. ????](#2-????)
|
||||
* [????? ???????](#?????-???????)
|
||||
* [?????????](#?????????)
|
||||
* [1. ????](#1-????)
|
||||
* [2. ???](#2-???)
|
||||
* [3. ????](#3-????)
|
||||
* [?????????<3F><>?](#?????????<3F><>?)
|
||||
* [??????](#??????)
|
||||
* [1. ?????????<3F><>????](#1-?????????<3F><>????)
|
||||
* [1.1 ?????????FCFS??](#11-?????????fcfs??)
|
||||
* [1.2 ??????????SJF??](#12-??????????sjf??)
|
||||
* [1.3 ??????????????SRTN??](#13-??????????????srtn??)
|
||||
* [2. ????????<3F><>????](#2-????????<3F><>????)
|
||||
* [2.1 ?????????](#21-?????????)
|
||||
* [2.2 ???????](#22-???????)
|
||||
* [2.3 ??????????](#23-??????????)
|
||||
* [2.4 ?????????](#24-?????????)
|
||||
* [3. ?????<3F><>????](#3-?????<3F><>????)
|
||||
* [???????](#???????)
|
||||
* [1. ?????](#1-?????)
|
||||
* [2. ???????](#2-???????)
|
||||
* [3. ?????](#3-?????)
|
||||
* [4. ???](#4-???)
|
||||
* [???????](#???????)
|
||||
* [1. ???](#1-???)
|
||||
* [2. ?????](#2-?????)
|
||||
* [3. ???????](#3-???????)
|
||||
* [4. ???](#4-???)
|
||||
* [5. ???????](#5-???????)
|
||||
* [6. ?????](#6-?????)
|
||||
* [???????????](#???????????)
|
||||
* [1. ????-<2D><>??????](#1-????-<2D><>??????)
|
||||
* [2. ????????????](#2-????????????)
|
||||
* [?????? ????](#??????-????)
|
||||
* [??????????](#??????????)
|
||||
* [???????????](#???????????)
|
||||
* [1. ???????](#1-???????)
|
||||
* [2. ???????](#2-???????)
|
||||
* [2.1 ???????????](#21-???????????)
|
||||
* [2.2 ???????????????](#22-???????????????)
|
||||
* [2.3 ??????????????](#23-??????????????)
|
||||
* [2.4 ?????<3F><>???](#24-?????<3F><>???)
|
||||
* [3. ????????](#3-????????)
|
||||
* [3.1 ?????](#31-?????)
|
||||
* [3.2 ????????????<3F><>???](#32-????????????<3F><>???)
|
||||
* [3.3 ???????????<3F><>???](#33-???????????<3F><>???)
|
||||
* [4. ????????????????](#4-????????????????)
|
||||
* [4.1 ?????????](#41-?????????)
|
||||
* [4.2 ???????](#42-???????)
|
||||
* [?????? ?<3F><>??????](#??????-?<3F><>??????)
|
||||
* [???????](#???????)
|
||||
* [???????](#???????)
|
||||
* [1. ???](#1-???)
|
||||
* [2. ???](#2-???)
|
||||
* [3. ????](#3-????)
|
||||
* [4. ???????????](#4-???????????)
|
||||
* [????????](#????????)
|
||||
* [1. ????Optimal??](#1-????optimal??)
|
||||
* [2. ????????FIFO??](#2-????????fifo??)
|
||||
* [3. ??????<3F><>????LRU??Least Recently Used??](#3-??????<3F><>????lru??least-recently-used??)
|
||||
* [4. ????Clock??](#4-????clock??)
|
||||
* [?????? ?<3F><>????](#??????-?<3F><>????)
|
||||
* [?????????](#?????????)
|
||||
* [1. ?????????FCFS??First Come First Serverd??](#1-?????????fcfs??first-come-first-serverd??)
|
||||
* [2. ??????????????SSTF??Shortest Seek Time First??](#2-??????????????sstf??shortest-seek-time-first??)
|
||||
* [3. ???????SCAN??](#3-???????scan??)
|
||||
* [4. ??????????CSCAN??](#4-??????????cscan??)
|
||||
* [?<3F><>?????](#?<3F><>?????)
|
||||
<!-- GFM-TOC -->
|
||||
|
||||
# <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||||
# ????? ????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
## ??????????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָͬһʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>
|
||||
???????????????????????????????<3F><>??????????????????????????<3F><>????<3F><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪӲ<EFBFBD><EFBFBD>֧<EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˮ<EFBFBD><EFBFBD><EFBFBD>߶ദ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̺<EFBFBD><EFBFBD>̣߳<EFBFBD>ʹ<EFBFBD>ó<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>
|
||||
???????????????????????<3F><>?????????????<3F><>?
|
||||
|
||||
### 2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 2. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָϵͳ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>Թ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD>̹<EFBFBD>ͬʹ<EFBFBD>á<EFBFBD>
|
||||
??????????<3F><>?????????????????????????<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
?????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>Ϊ<EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD>ͬһʱ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֶ<EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ķ<EFBFBD><EFBFBD>ʡ<EFBFBD>
|
||||
????????????????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>⼼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>塣<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⼼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ָ<EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳշָ<EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ָ<EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>ִֻ<EFBFBD><EFBFBD>һС<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
??????????????????????????????<3F>^??????????????????????<3F><>?????????<3F><>???????????????????????????????????????????????<3F><>????????????????????<3F><>???????????????<3F><>?????????????<3F><>?????????????<3F><>???????????<3F><>???
|
||||
|
||||
### 4. <EFBFBD>첽
|
||||
### 4. ??
|
||||
|
||||
<EFBFBD>첽<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>̲<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣͣ<EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????????????????
|
||||
|
||||
## ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
## ??????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>̬<EFBFBD><EFBFBD>Ҫ<EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʹ<EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD>ôӶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ںˣ<EFBFBD><EFBFBD>ɲ<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
|
||||
???????????????????????????????<3F><>?????????????????????????????????????????<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̹<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>š<EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
???????????????????????<3F><>???????????????????????????<3F><>????????
|
||||
|
||||
## <EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD>
|
||||
## ?<3F><>????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
|
||||
### 1. ???<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD> CPU ִ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> I/O <20><><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6><CFA3><EFBFBD>ʾ<EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><DCB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><F3A1A3B4><EFBFBD><E2BBB9>ʱ<EFBFBD><CAB1><EFBFBD>жϡ<D0B6><CFA1><EFBFBD><EFBFBD><EFBFBD>̨<EFBFBD>жϵȡ<CFB5>
|
||||
?? CPU ???????????????????? I/O ?????<3F><>??????<3F><>????/????????????????????????????????????/????????????????<3F><>????????<3F><>???
|
||||
|
||||
### 2. <EFBFBD>쳣
|
||||
### 2. ??
|
||||
|
||||
<EFBFBD><EFBFBD> CPU ִ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롢<EFBFBD><EFBFBD>ַԽ<EFBFBD>硢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
?? CPU ????????????????????????????????<3F><>??????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD>á<EFBFBD>
|
||||
???????????????????<3F><>?
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD>ں˺<EFBFBD><EFBFBD>ں<EFBFBD>
|
||||
## ??????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD>
|
||||
### 1. ?????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD>ںˣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD>ģ<EFBFBD>鹲<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>кܸߵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܡ<EFBFBD>
|
||||
????????????????????????????????????????????????<3F>s???????????<3F><>????????
|
||||
|
||||
### 2. <EFBFBD>ں<EFBFBD>
|
||||
### 2. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˽<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD>ںˣ<EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ں˵ĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԡ<EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ݷֲ<EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪƵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>̬<EFBFBD>ͺ<EFBFBD><EFBFBD><EFBFBD>̬֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
|
||||
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????<3F><>?????????????????????
|
||||
|
||||
# <EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>̹<EFBFBD><CCB9><EFBFBD>
|
||||
# ????? ???????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>
|
||||
## ?????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>
|
||||
????????????????????????????<3F><>??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>̿<EFBFBD><EFBFBD>ƿ<EFBFBD> (Process Control Block, PCB) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̺ͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> PCB <20>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????? (Process Control Block, PCB) ???????????????????????????<3F><>????????????????????????? PCB ???????
|
||||
|
||||
### 2. <EFBFBD>߳<EFBFBD>
|
||||
### 2. ???
|
||||
|
||||
һ<EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD>п<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<EFBFBD><EFBFBD>Ƕ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵĻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
|
||||
???????<3F><>????<3F><>?????????????????????<3F><>???????????<3F><>?????????????????<3F><>????????????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ????
|
||||
|
||||
<EFBFBD><EFBFBD> ӵ<><D3B5><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̲߳<DFB3>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>߳̿<DFB3><CCBF>Է<EFBFBD><D4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><CCB5><EFBFBD>Դ<EFBFBD><D4B4>
|
||||
?? ???????????????????????????<3F><>?????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD>ȣ<EFBFBD><C8A3>߳<EFBFBD><DFB3>Ƕ<EFBFBD><C7B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵĻ<C8B5><C4BB><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3>̵߳<DFB3><CCB5>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5>߳<EFBFBD><DFB3>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>߳<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD>
|
||||
?? ???????????????????????<3F><>???????????<3F><>??????<3F><>?????????????<3F><>???????????????????<3F><>?????????????<3F><>?????????????????<3F><>???
|
||||
|
||||
<EFBFBD><EFBFBD> ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ϵͳ<CFB5><CDB3>ҪΪ֮<CEAA><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4>ռ䡢I/O <20>豸<EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>ʱ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶأ<C6B5><D8A3>ڽ<EFBFBD><DABD>н<EFBFBD><D0BD><EFBFBD><EFBFBD>л<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>漰<EFBFBD><E6BCB0>ǰִ<C7B0>н<EFBFBD><D0BD><EFBFBD> CPU <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>漰<EFBFBD>µ<EFBFBD><C2B5>Ƚ<EFBFBD><C8BD><EFBFBD> CPU <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>á<EFBFBD><C3A1><EFBFBD><EFBFBD>߳<EFBFBD><DFB3>л<EFBFBD>ʱֻ<CAB1>豣<EFBFBD><E8B1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB><EFBFBD><EFBFBD><EFBFBD>ڵĶ<DAB5><C4B6><EFBFBD><EFBFBD>̹߳<DFB3><CCB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵ĵ<CCB5>ַ<EFBFBD>ռ䣬<D5BC><E4A3AC><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD>Щ<EFBFBD>߳<EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD>ͨ<EFBFBD>ŷdz<C5B7><C7B3><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>֣<EFBFBD><D6A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5>ĸ<EFBFBD>Ԥ<EFBFBD><D4A4>
|
||||
?? ?????????????????????????????????????????????????????I/O ?<3F><>???????????????????????????????????????????????????????<3F><>????<3F><>?????<3F>p?????<3F><>??? CPU ????????<3F>p???????? CPU ?????????<3F><>???????<3F><>????<3F>b???????????????????????????<3F><>??????????????????????????????????????????<3F><>????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> ͨ<>ŷ<EFBFBD><C5B7>棺<EFBFBD><E6A3BA><EFBFBD>̼<EFBFBD>ͨ<EFBFBD><CDA8> (IPC) <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD>ֶεĸ<CEB5><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD>֤<EFBFBD><D6A4><EFBFBD>ݵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ԣ<EFBFBD><D4A3><EFBFBD><EFBFBD>̼߳<DFB3><CCBC><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>ֱ<EFBFBD>Ӷ<EFBFBD>/д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݶΣ<DDB6><CEA3><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>š<EFBFBD>
|
||||
?? ?????<3F><>???????? (IPC) ?????????????????<3F><>?????????????????????????????????????/<2F><>????????<3F><>?????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>QQ <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><CCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>кܶ<D0BA><DCB6>̣߳<DFB3><CCA3><EFBFBD><EFBFBD><EFBFBD> http <20><><EFBFBD><EFBFBD><EFBFBD>̡߳<DFB3><CCA1>¼<EFBFBD><C2BC><EFBFBD>Ӧ<EFBFBD>̡߳<DFB3><CCA1><EFBFBD>Ⱦ<EFBFBD>̵߳ȵȣ<C8B5><C8A3>̵߳IJ<CCB5><C4B2><EFBFBD>ִ<EFBFBD><D6B4>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӴӶ<D3B4><D3B6><EFBFBD><EFBFBD><EFBFBD> http <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD>
|
||||
??????QQ ?? ??????????????????????????????<3F><>?????????? http ????????????????????????????????????????????????<3F><>????????????????? http ???????????????????????????????????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD>л<EFBFBD>
|
||||
## ?????????<3F><>?
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU<50><55>ȱ<EFBFBD><C8B1> CPU <20><><EFBFBD>ý<EFBFBD><C3BD>̴<EFBFBD><CCB4><EFBFBD><EFBFBD><EFBFBD>̬ת<CCAC><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>̬<EFBFBD><CCAC>
|
||||
????????????????????????????????????????????????????? CPU????? CPU ????????????????????????
|
||||
|
||||
ֻ<EFBFBD>о<EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU ʱ<>䣬תΪ<D7AA><CEAA><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4>Ľ<EFBFBD><C4BD>̣<EFBFBD><CCA3>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU ʱ<><CAB1>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD>ͻ<EFBFBD>תΪ<D7AA><CEAA><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5>ȡ<EFBFBD>
|
||||
??<3F><>????????????????????????????????????????????????????????????????? CPU ????????????????????????????????????? CPU ??????????????????????????????<3F><>????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨
|
||||
## ??????
|
||||
|
||||
<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>
|
||||
?????????????????????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ?????????<3F><>????
|
||||
|
||||
#### 1.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FCFS<EFBFBD><EFBFBD>
|
||||
#### 1.1 ?????????FCFS??
|
||||
|
||||
first-come first-serverd<EFBFBD><EFBFBD>
|
||||
first-come first-serverd??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD>
|
||||
?????????????????<3F><>??????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һֱ<EFBFBD>ȴ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ҵִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫִ<EFBFBD>кܳ<EFBFBD>ʱ<EFBFBD>䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
??????????????????????????????????????????????????????????????<3F><>???????????????<3F><>?????????????????????????
|
||||
|
||||
#### 1.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SJF<EFBFBD><EFBFBD>
|
||||
#### 1.2 ??????????SJF??
|
||||
|
||||
shortest job first<EFBFBD><EFBFBD>
|
||||
shortest job first??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ȹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD>
|
||||
???????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>п<EFBFBD><EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һֱ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һֱ<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD>Զ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
??????<3F><>????????????????????????????????????????<3F><>??????????????????????<3F><>????????
|
||||
|
||||
#### 1.3 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SRTN<EFBFBD><EFBFBD>
|
||||
#### 1.3 ??????????????SRTN??
|
||||
|
||||
shortest remaining time next<EFBFBD><EFBFBD>
|
||||
shortest remaining time next??
|
||||
|
||||
### 2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 2. ????????<3F><>????
|
||||
|
||||
#### 2.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.1 ?????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ֮<EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>ȷ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD> = (<28>ȴ<EFBFBD>ʱ<EFBFBD><CAB1> + Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>) / Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> = <20><>Ӧʱ<D3A6><CAB1> / Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
|
||||
????? = (?????? + ?????????) / ????????? = ?????? / ?????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>Ϊ<EFBFBD>˽<EFBFBD><EFBFBD><EFBFBD> SJF <20>г<EFBFBD><D0B3><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD>ܻ<EFBFBD><DCBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><E2A3AC>Ϊ<EFBFBD><CEAA><EFBFBD>ŵȴ<C5B5>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>Ҳ<EFBFBD><D2B2>Խ<EFBFBD><D4BD>Խ<EFBFBD>ߡ<EFBFBD>
|
||||
??????????????????? SJF ?<3F><>????????????????????????????????????????????????????
|
||||
|
||||
#### 2.2 ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD>ת
|
||||
#### 2.2 ???????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̰<EFBFBD> FCFS <20><>ԭ<EFBFBD><D4AD><EFBFBD>ų<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>ÿ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> CPU <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><D7BD>̣<EFBFBD><CCA3>ý<EFBFBD><C3BD>̿<EFBFBD><CCBF><EFBFBD>ִ<EFBFBD><D6B4>һ<EFBFBD><D2BB>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ɼ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD>ȳ<EFBFBD><C8B3><EFBFBD><EFBFBD><EFBFBD>ֹͣ<CDA3>ý<EFBFBD><C3BD>̵<EFBFBD>ִ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ĩβ<C4A9><CEB2>ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<D7B5><C4BD>̡<EFBFBD>
|
||||
?????<3F><>???????? FCFS ??????????????<3F><>???<3F><>???????? CPU ????????????????????????????????????????????????????????????<3F><>????????????????????<3F><>??????????????????<3F><>??<3F><>?????????? CPU ??????????????
|
||||
|
||||
ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD>ת<EFBFBD>㷨<EFBFBD><EFBFBD>Ч<EFBFBD>ʺ<EFBFBD>ʱ<EFBFBD><EFBFBD>Ƭ<EFBFBD>кܴ<EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊÿ<EFBFBD>ν<EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Ƭ̫<EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD>̫Ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD>ϾͻỨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>䡣
|
||||
???????????<3F><>????????<3F><>???????????<3F><>????<3F><>??????????????????????????????????????????????????<3F><>?????????????<3F><>????????????
|
||||
|
||||
#### 2.3 <EFBFBD>༶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.3 ??????????
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD>ö<EFBFBD><C3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><D0B8>費ͬ<E8B2BB><CDAC><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>ߣ<EFBFBD><DFA3>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><CDA1><EFBFBD><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD><EFBFBD>ִ<EFBFBD><D6B4>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD>Ĵ<EFBFBD>СҲ<D0A1><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȨԽ<C8A8>ߵĶ<DFB5><C4B6><EFBFBD><EFBFBD>У<EFBFBD>Ϊÿ<CEAA><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>涨<EFBFBD><E6B6A8>ִ<EFBFBD><D6B4>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD><C6AC>ԽС<D4BD><D0A1>
|
||||
?? ?????????????<3F><>???????????<3F><>??<3F>M??????????????????<3F><>??????????????????<3F><>????????????<3F><>??????????????????????????????<3F><>?????????????<3F><>?????????????????????????<3F><>????????????<3F><>????????????<3F><>??
|
||||
|
||||
<EFBFBD><EFBFBD> <20><>һ<EFBFBD><D2BB><EFBFBD>½<EFBFBD><C2BD>̽<EFBFBD><CCBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>е<EFBFBD>ĩβ<C4A9><CEB2><EFBFBD><EFBFBD> FCFS ԭ<><D4AD><EFBFBD>Ŷӵȴ<D3B5><C8B4><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>ý<EFBFBD><C3BD><EFBFBD>ִ<EFBFBD><D6B4>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><D7BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD><CAB1>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>δ<EFBFBD><CEB4><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD>ȳ<EFBFBD><C8B3><EFBFBD><EFBFBD>㽫<EFBFBD>ý<EFBFBD><C3BD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>еĶ<D0B5>β<EFBFBD><CEB2>
|
||||
?? ?????????????????????????????????<3F><>??<3F><>???? FCFS ???????????????????????????????????????????????????????????????????????????????????<3F><>????????????????????????????<3F><>??<3F><>??
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>ǰ i -1 <20><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Ż<EFBFBD><C5BB><EFBFBD><EFBFBD>ȵ<EFBFBD> i <20><><EFBFBD><EFBFBD><EFBFBD>еĽ<D0B5><C4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>
|
||||
?? ????? i -1 ?????<3F><>????????????? i ?????<3F><>???????<3F><>?
|
||||
|
||||
<EFBFBD>ŵ㣺ʵʱ<EFBFBD>Ժã<EFBFBD>Ҳ<EFBFBD>ʺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>ͳ<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD>
|
||||
????????????????<3F><>????????????
|
||||
|
||||
#### 2.4 <EFBFBD>̽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.4 ?????????
|
||||
|
||||
### 3. ʵʱϵͳ<EFBFBD>еĵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ?????<3F><>????
|
||||
|
||||
ʵʱϵͳҪһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ڵõ<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>
|
||||
????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD>ΪӲʵʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵʱ<EFBFBD><EFBFBD>ǰ<EFBFBD>߱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԵĽ<EFBFBD>ֹʱ<EFBFBD>䣬<EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD>ʱ<EFBFBD><EFBFBD>
|
||||
?????????????????????????????????????????????????????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>
|
||||
## ???????
|
||||
|
||||
### 1. <EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ?????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>з<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>Ƕδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????<3F><>??????<3F><>????????????
|
||||
|
||||
Ϊ<EFBFBD>˻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>֮ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ƚ<EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>顣
|
||||
?????????????????????????????????????????????<EFBFBD><EFBFBD>?<EFBFBD><EFBFBD>
|
||||
|
||||
```html
|
||||
// entry section
|
||||
@ -250,44 +250,44 @@ shortest remaining time next
|
||||
// exit section
|
||||
```
|
||||
|
||||
### 2. ͬ<EFBFBD><EFBFBD><EFBFBD>뻥<EFBFBD><EFBFBD>
|
||||
### 2. ???????
|
||||
|
||||
ͬ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̰<EFBFBD>һ<EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһʱ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
????????????????????<3F><>??????????????????????????????????????????
|
||||
|
||||
ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵĻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵġ<EFBFBD>
|
||||
????????????????????????????????????????????????????
|
||||
|
||||
### 3. <EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ?????
|
||||
|
||||
**<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Samaphore<EFBFBD><EFBFBD>**<2A><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><CDB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>ִ<EFBFBD><D6B4> down <EFBFBD><EFBFBD> up <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> P <EFBFBD><EFBFBD> V <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
**???????Samaphore??**???????????????????????? down ?? up ???????????????? P ?? V ??????
|
||||
|
||||
- **down** : <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><>ִ<EFBFBD><D6B4> - 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0<><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߣ<EFBFBD><DFA3>ȴ<EFBFBD><C8B4>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0<><30>
|
||||
- **up**<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> + 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>˯<EFBFBD>ߵĽ<DFB5><C4BD>̣<EFBFBD><CCA3>ý<EFBFBD><C3BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> down <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- **down** : ???????????? 0 ????? - 1 ?????????????????? 0???????????????????????? 0??
|
||||
- **up**???????????? + 1 ????????????????????????????? down ??????
|
||||
|
||||
down <EFBFBD><EFBFBD> up <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɷָͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϡ<EFBFBD>
|
||||
down ?? up ????????????????????????????????????????<3F><>??????????????<3F><>??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡֵֻ<EFBFBD><EFBFBD>Ϊ 0 <20><><EFBFBD><EFBFBD> 1<><31><EFBFBD><EFBFBD>ô<EFBFBD>ͳ<EFBFBD>Ϊ<EFBFBD><CEAA>**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Mutex<65><78>**<2A><>0 <20><>ʾ<EFBFBD>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1 <20><>ʾ<EFBFBD>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????????? 0 ???? 1???????????**????????Mutex??**??0 ?????????????????1 ??????????????
|
||||
|
||||
```c
|
||||
typedef int samaphore;
|
||||
samaphore mutex = 1;
|
||||
void P1() {
|
||||
down(mutex);
|
||||
// <EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>
|
||||
// ?????
|
||||
up(mutex);
|
||||
}
|
||||
|
||||
void P2() {
|
||||
down(mutex);
|
||||
// <EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD>
|
||||
// ?????
|
||||
up(mutex);
|
||||
}
|
||||
```
|
||||
|
||||
**ʹ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
**?????????????????-??????????**
|
||||
|
||||
ʹ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> mutex <20><><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><D9BD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>з<EFBFBD><D0B7>ʣ<EFBFBD>empty <20><>¼<EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>full <20><>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????? mutex ?????????????<3F><>????empty ??????????????????full ???????????????????
|
||||
|
||||
ע<EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> down <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD><C8B6>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4> down <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><DFB6>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4> down(empty) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> empty = 0<><30><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߡ<EFBFBD><DFA1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ܽ<EFBFBD><DCBD><EFBFBD><EFBFBD>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><DFB6>ٽ<EFBFBD><D9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><DEB7><EFBFBD>ִ<EFBFBD><D6B4> up(empty) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD>ߺ<EFBFBD><DFBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߾ͻ<DFBE>һֱ<D2BB>ȴ<EFBFBD><C8B4><EFBFBD>ȥ<EFBFBD><C8A5>
|
||||
???????????? down ??????????????????????????????????????????????????????????????????? down ???????????????????????????????????????? down(empty) ?????????? empty = 0?????????????????????????????????????????????????????????????????????? up(empty) ??????????????????????????????????
|
||||
|
||||
```c
|
||||
#define N 100
|
||||
@ -319,11 +319,11 @@ void consumer() {
|
||||
}
|
||||
```
|
||||
|
||||
### 4. <EFBFBD>ܳ<EFBFBD>
|
||||
### 4. ???
|
||||
|
||||
ʹ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ͻ<EFBFBD><EFBFBD>˴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̰ܳѿ<EFBFBD><EFBFBD>ƵĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳʹ<EFBFBD>ÿͻ<EFBFBD><EFBFBD>˴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ס<EFBFBD>
|
||||
???????????????????????????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
c <EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD>֧<EFBFBD>ֹ̣ܳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Pascal <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̡ܳ<DCB3>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĹܳ<C4B9><DCB3>ṩ<EFBFBD><E1B9A9> insert() <EFBFBD><EFBFBD> remove() <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD>˴<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⡣
|
||||
c ?????????????????????????????? Pascal ??????????????????????<3F><>??????? insert() ?? remove() ??????????????????????????????????????????-??????????
|
||||
|
||||
```html
|
||||
monitor ProducerConsumer
|
||||
@ -342,11 +342,11 @@ monitor ProducerConsumer
|
||||
end monitor;
|
||||
```
|
||||
|
||||
<EFBFBD>ܳ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ù̡ܳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>е<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һֱռ<EFBFBD>ụ̀ܳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>뽫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ù̡ܳ<EFBFBD>
|
||||
??????????????????????????????????????<3F><>??????????????????<3F><>??????????<3F><>??????????????????????????????????????<3F><>???
|
||||
|
||||
<EFBFBD>ܳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> **<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>** <20>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD>صIJ<D8B5><C4B2><EFBFBD><EFBFBD><EFBFBD>**wait()** <EFBFBD><EFBFBD> **signal()** <EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> wait() <20><><EFBFBD><EFBFBD><EFBFBD>ᵼ<EFBFBD>µ<EFBFBD><C2B5>ý<EFBFBD><C3BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹܳ<D1B9><DCB3>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>̳<EFBFBD><CCB3>С<EFBFBD>signal() <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><DABB>ѱ<EFBFBD><D1B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><C4BD>̡<EFBFBD>
|
||||
????????? **????????** ????????????**wait()** ?? **signal()** ??????????????????????????? wait() ?????????????????????????<3F><>????????????????<3F><>?signal() ??????????????????????
|
||||
|
||||
**ʹ<EFBFBD>ùܳ<EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
**??<3F><>???????????-??????????**
|
||||
|
||||
```html
|
||||
monitor ProducerConsumer
|
||||
@ -390,55 +390,55 @@ begin
|
||||
end;
|
||||
```
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
|
||||
## ???????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>ſ<EFBFBD><EFBFBD>Կ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>ͨ<EFBFBD>ţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵߳<EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʹ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD>
|
||||
??????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
### 1. <EFBFBD>ܵ<EFBFBD>
|
||||
### 1. ???
|
||||
|
||||
<EFBFBD>ܵ<EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><EFBFBD>Ƚ<EFBFBD><EFBFBD>ȳ<EFBFBD><EFBFBD>ġ<EFBFBD><EFBFBD>ṹ<EFBFBD>ġ<EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹܵ<EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӹܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD>
|
||||
??????????????????????????????<3F><>?????????????????????????????????????????????????????<3F><>??????????<3F><>??<3F><>???????????????????????????????????????????????????????????????????????<3F><>?????
|
||||
|
||||
<EFBFBD>ܵ<EFBFBD><EFBFBD>ṩ<EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƻ<EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>չܵ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD>һֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼд<EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̴ӹܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮ǰ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD>һֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????<3F><>??????????????????????????????????????????????<3F><>????????????????????????????????<3F><>?????????????
|
||||
|
||||
Linux <EFBFBD>йܵ<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>֡<EFBFBD>
|
||||
Linux ?<3F><>??????????????????
|
||||
|
||||
<EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>
|
||||
??????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><>ͨ<EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>һ<EFBFBD><D2BB>ֻ֧<D6BB>ְ<EFBFBD>˫<EFBFBD><CBAB>ͨ<EFBFBD>ŷ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>䣻<EFBFBD><E4A3BB><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD>ڸ<EFBFBD><DAB8>ӽ<EFBFBD><D3BD><EFBFBD>֮<EFBFBD><D6AE>ʹ<EFBFBD>ã<EFBFBD>
|
||||
?? ?????????????????????????????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>֧<EFBFBD><D6A7>˫<EFBFBD><CBAB><EFBFBD><EFBFBD><EFBFBD>䣻
|
||||
?? ????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>š<EFBFBD>
|
||||
?? ?????????????????????????????????????????????
|
||||
|
||||
### 2. <EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>
|
||||
### 2. ?????
|
||||
|
||||
<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶Թ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ķ<EFBFBD><EFBFBD>ʡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD>ֹij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>ʸ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD><EFBFBD>Լ<EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ͬ<EFBFBD>߳<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>ֶΡ<EFBFBD>
|
||||
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????<3F><>?
|
||||
|
||||
### 3. <EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ???????
|
||||
|
||||
<EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD>п˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>źŴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD>١<EFBFBD><EFBFBD>ܵ<EFBFBD>ֻ<EFBFBD>ܳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD>㡣
|
||||
??????<3F><>?????????????????????????????????????????????<3F><>????????
|
||||
|
||||
### 4. <EFBFBD>ź<EFBFBD>
|
||||
### 4. ???
|
||||
|
||||
<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ֱȽϸ<EFBFBD><EFBFBD>ӵ<EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪ͨ<EFBFBD><EFBFBD><EFBFBD>ս<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
?????????????????????????????????????????????????
|
||||
|
||||
### 5. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
|
||||
### 5. ???????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>ڴ棬<EFBFBD><EFBFBD><EFBFBD>ι<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD>ʡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IPC <20><>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>Ч<EFBFBD>ʵͶ<CAB5>ר<EFBFBD><D7A8><EFBFBD><EFBFBD><EFBFBD>Ƶġ<C6B5><C4A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>Ż<EFBFBD><C5BB>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD>ʵ<EFBFBD>ֽ<EFBFBD><D6BD>̼<EFBFBD><CCBC><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD>ͨ<EFBFBD>š<EFBFBD>
|
||||
????????????????????????????????????<3F><>??<3F><>??????????????????????????????????????????????????? IPC ??????????????????????????????<3F><>??????????????????????????????????????????????????????????????????
|
||||
|
||||
### 6. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 6. ?????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD>һ<EFBFBD>ֽ<EFBFBD><EFBFBD>̼<EFBFBD>ͨ<EFBFBD>Ż<EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>Ż<EFBFBD><EFBFBD>Ʋ<EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>š<EFBFBD>
|
||||
?????????????????????????????????????????????????????????????????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
## ???????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>۹<EFBFBD><EFBFBD><EFBFBD>
|
||||
??????????????????????????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>-д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ????-<2D><>??????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD>Լ<EFBFBD>д<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
????????????????????<3F><>???????????????????<3F><>???<3F><>??<3F><>????????????
|
||||
|
||||
һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD> count <20><>¼<EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD>ݽ<EFBFBD><DDBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> count_mutex <EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD> count <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> data_mutex <20><><EFBFBD>ڶԶ<DAB6>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD>
|
||||
?????????? count ????????????<3F><>????????????????????????? count_mutex ????? count ??????????????? data_mutex ??????<3F><>???????????
|
||||
|
||||
```c
|
||||
typedef int semaphore;
|
||||
@ -450,7 +450,7 @@ void reader() {
|
||||
while(TRUE) {
|
||||
down(count_mutex);
|
||||
count++;
|
||||
if(count == 1) down(data_mutex); // <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹд<EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD><EFBFBD>
|
||||
if(count == 1) down(data_mutex); // ????????????????????<3F><>????????<3F><>???????
|
||||
up(count_mutex);
|
||||
read();
|
||||
down(count_mutex);
|
||||
@ -469,13 +469,13 @@ void writer() {
|
||||
}
|
||||
```
|
||||
|
||||
### 2. <EFBFBD><EFBFBD>ѧ<EFBFBD>ҽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 2. ????????????
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Բ<EFBFBD>ܣ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD>Լ<EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD>ҳԷ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĿ<EFBFBD><EFBFBD>ӡ<EFBFBD>
|
||||
????????<3F><>???????????????????????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľⷨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱߵĿ<EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱߵĿ<EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
```c
|
||||
#define N 5
|
||||
@ -496,7 +496,7 @@ void philosopher(int i) {
|
||||
}
|
||||
```
|
||||
|
||||
Ϊ<EFBFBD>˷<EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĿ<EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>Ƕδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????????????????????????????????????????????????????<3F><>????????
|
||||
|
||||
```c
|
||||
semaphore mutex = 1;
|
||||
@ -517,223 +517,223 @@ void philosopher(int i) {
|
||||
}
|
||||
```
|
||||
|
||||
# <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||||
# ?????? ????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
## ??????????
|
||||
|
||||
|
||||
|
||||
1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD>֣<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѻ<EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD>š<EFBFBD>
|
||||
3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ
|
||||
4. <EFBFBD><EFBFBD>·<EFBFBD>ȴ<EFBFBD>
|
||||
1. ????
|
||||
2. ????????????????????????????????????????????????????
|
||||
3. ???????
|
||||
4. ??<3F><>???
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
## ???????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 1. ???????
|
||||
|
||||
<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⡣
|
||||
????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>
|
||||
?????????????
|
||||
|
||||
### 2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><EFBFBD>
|
||||
### 2. ???????
|
||||
|
||||
<EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮ǰԤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
????????????????????????
|
||||
|
||||
#### 2.1 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.1 ???????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѻ<EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>ػ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̡<EFBFBD>
|
||||
?????????????????????????????????????<3F><>????????????????????????????????????
|
||||
|
||||
#### 2.2 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.2 ???????????????
|
||||
|
||||
һ<EFBFBD><EFBFBD>ʵ<EFBFBD>ַ<EFBFBD>ʽ<EFBFBD>ǹ涨<EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD>ʼִ<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
|
||||
??????????<3F><>???<3F><>??????????????????????????????
|
||||
|
||||
#### 2.3 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#### 2.3 ??????????????
|
||||
|
||||
#### 2.4 <EFBFBD>ƻ<EFBFBD><EFBFBD><EFBFBD>·<EFBFBD>ȴ<EFBFBD>
|
||||
#### 2.4 ?????<3F><>???
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դͳһ<EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
|
||||
????????????????????????????????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 3. ????????
|
||||
|
||||
<EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ⷢ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
??????????????????????
|
||||
|
||||
#### 3.1 <EFBFBD><EFBFBD>ȫ״̬
|
||||
#### 3.1 ?????
|
||||
|
||||
|
||||
|
||||
ͼ a <EFBFBD>ĵڶ<EFBFBD><EFBFBD><EFBFBD> has <20><>ʾ<EFBFBD><CABE>ӵ<EFBFBD>е<EFBFBD><D0B5><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> max <20><>ʾ<EFBFBD>ܹ<EFBFBD><DCB9><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>free <20><>ʾ<EFBFBD><CABE><EFBFBD>п<EFBFBD><D0BF><EFBFBD>ʹ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ a <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> B ӵ<><D3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD> B<><42><EFBFBD><EFBFBD>ʱ free <20><>Ϊ 4<><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD> C <20><> A<><41>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD>̶<EFBFBD><CCB6>ܳɹ<DCB3><C9B9><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>˿<EFBFBD><CBBF>Գ<EFBFBD>ͼ a <20><>ʾ<EFBFBD><CABE>״̬ʱ<CCAC><CAB1>ȫ<EFBFBD>ġ<EFBFBD>
|
||||
? a ?????? has ???????<3F><>?????????????? max ??????????????????free ??????<3F><>????????????????? a ????????????? B ????????????????????<3F><>???????? B????? free ??? 4??????????????????? C ?? A????????<3F><>???????????<3F><>????????? a ??????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>壺<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD>ͻȻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD>ֵ<EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD>ʹ<EFBFBD><EFBFBD>ÿһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƹ<EFBFBD>״̬<EFBFBD>ǰ<EFBFBD>ȫ<EFBFBD>ġ<EFBFBD>
|
||||
???<3F><>?????????????????????????<3F><>??????????????????????????????????????????????????????????????????????????
|
||||
|
||||
#### 3.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>㷨
|
||||
#### 3.2 ????????????<3F><>???
|
||||
|
||||
һ<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>мң<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һȺ<EFBFBD>ͻ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD>㷨Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж϶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>벻<EFBFBD><EFBFBD>ȫ״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD>;ܾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD>䡣
|
||||
???<3F><>????????<3F><>???????????????????????????????????????<3F><>?????????????????????????????????????????????????
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>ͼ c Ϊ<><CEAA><EFBFBD><EFBFBD>ȫ״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD>ܾ<EFBFBD>֮ǰ<D6AE><C7B0><EFBFBD><EFBFBD><EFBFBD>Ӷ<F3A3ACB4><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ c <20>е<EFBFBD>״̬<D7B4><CCAC>
|
||||
??? c ????????????????????????????????????? c ?<3F><>?????
|
||||
|
||||
#### 3.3 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>㷨
|
||||
#### 3.3 ???????????<3F><>???
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ͼ<EFBFBD><EFBFBD>ʾ<EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ұߵ<EFBFBD>ͼ<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ұߵ<EFBFBD> E<><45>P <20>Լ<EFBFBD> A <20>ֱ<EFBFBD><D6B1><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǿ<EFBFBD><C7BE><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD> A=(1020)<29><><EFBFBD><EFBFBD>ʾ 4 <20><><EFBFBD><EFBFBD>Դ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>ʣ<EFBFBD><CAA3> 1/0/2/0<EFBFBD><EFBFBD>
|
||||
????????????????????????????????????????????????????????????????????????? E??P ??? A ???????????????????????????????????????????????????????????????????? A=(1020)????? 4 ??????????? 1/0/2/0??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>״̬<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
|
||||
?????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ұߵľ<DFB5><C4BE><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>С<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> A<><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD>ôϵͳ<CFB5><CDB3><EFBFBD>ᷢ<EFBFBD><E1B7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4>Dz<EFBFBD><C7B2><EFBFBD>ȫ<EFBFBD>ġ<EFBFBD>
|
||||
?? ????????????????????<3F><>????????? A??????????????????<3F><>?????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>ý<EFBFBD><C3BD>̱<EFBFBD><CCB1><EFBFBD>Ϊ<EFBFBD><CEAA>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ӵ<EFBFBD> A <20>С<EFBFBD>
|
||||
?? ?????????????<3F><>????????????????????????????????? A ?<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD> <20>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD>̶<EFBFBD><CCB6><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>״̬ʱ<CCAC><CAB1>ȫ<EFBFBD>ġ<EFBFBD>
|
||||
?? ???????????????????<3F><>????????????????????????
|
||||
|
||||
### 4. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>
|
||||
### 4. ????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>֯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ʩ<EFBFBD><EFBFBD><EFBFBD>лָ<EFBFBD><EFBFBD><EFBFBD>
|
||||
??????????????????????????????????????????<3F><>????
|
||||
|
||||
#### 4.1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨
|
||||
#### 4.1 ?????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>С<EFBFBD>
|
||||
?????????????????????????????????????????????????????????<3F><>????????<3F><>????????????????????????????????????<3F><>?
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>ͼ<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
|
||||
????<3F><>??????????????????????????????????????
|
||||
|
||||
E <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
A <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դʣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
C <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿһ<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
R <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
E ?????????????
|
||||
A ??????????????
|
||||
C ???????????????<3F><>?????????????<3F><>????????????????????????
|
||||
R ???????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> P<sub>1</sub> <EFBFBD><EFBFBD> P<sub>2</sub> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬ֻ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD> P<sub>3</sub> <EFBFBD><EFBFBD><EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD> P<sub>3</sub> ִ<EFBFBD>У<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD> P<sub>3</sub> ӵ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ A = (2 2 2 0)<EFBFBD><EFBFBD>P<sub>1</sub> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD>ִ<EFBFBD>к<EFBFBD><EFBFBD>ͷ<EFBFBD> P<sub>1</sub> ӵ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD> A = (4 2 2 2) <EFBFBD><EFBFBD>P<sub>2</sub> Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
???? P<sub>1</sub> ?? P<sub>2</sub> ?????????????<3F><>?????????<3F><>??? P<sub>3</sub> ??????? P<sub>3</sub> ??<3F><>??????? P<sub>3</sub> ??<3F><>????????? A = (2 2 2 0)??P<sub>1</sub> ??????<3F><>???<3F><>???? P<sub>1</sub> ??<3F><>?????? A = (4 2 2 2) ??P<sub>2</sub> ???????<3F><>????<3F><>?????????????<3F><>??????????
|
||||
|
||||
<EFBFBD>㷨<EFBFBD>ܽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
|
||||
??????????
|
||||
|
||||
ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>ִ<EFBFBD>й<EFBFBD><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD>ܱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>û<EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵĽ<EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̡<EFBFBD>
|
||||
???????????????????????<3F><>????<3F><>????????????????????<3F><>???<3F><>????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> Ѱ<><D1B0>һ<EFBFBD><D2BB>û<EFBFBD>б<EFBFBD><D0B1>ǵĽ<C7B5><C4BD><EFBFBD> P<sub>i</sub><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԴС<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD> A<><41>
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><CCA3><EFBFBD>ô<EFBFBD><C3B4> C <20><><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD> i <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD> A <20>У<EFBFBD><D0A3><EFBFBD><EFBFBD>Ǹý<C7B8><C3BD>̣<EFBFBD><CCA3><EFBFBD>ת<EFBFBD><D7AA> <20>١<EFBFBD>
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><CCA3>㷨<EFBFBD><E3B7A8>ֹ<EFBFBD><D6B9>
|
||||
?? ????????<3F><>?????? P<sub>i</sub>??????????????<3F><>????? A??
|
||||
?? ????????????????????????? C ?????? i ????????? A ?<3F><>?????????????? ???
|
||||
?? ???????????????????????????
|
||||
|
||||
#### 4.2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>
|
||||
#### 4.2 ???????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD>ָ<EFBFBD>
|
||||
<EFBFBD><EFBFBD> ɱ<><C9B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
?? ??????????
|
||||
?? ???????
|
||||
|
||||
# <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
# ?????? ?<3F><>??????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
|
||||
## ???????
|
||||
|
||||
ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>ռ䱻<EFBFBD>ָ<EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬ÿһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊһ ҳ<><D2B3><EFBFBD><EFBFBD>Щҳ<D0A9><D2B3>ӳ<EFBFBD>䵽<EFBFBD><E4B5BD><EFBFBD><EFBFBD><EFBFBD>ڴ棬<DAB4><E6A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫӳ<D2AA>䵽<EFBFBD><E4B5BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ棬Ҳ<E6A3AC><D2B2><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4>С<EFBFBD>
|
||||
????????????????????????????????????<3F><>??????? ?????<3F><>????????????<3F><>??????????????????????<3F><>???????????????????????????<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>еĵ<EFBFBD>ַ<EFBFBD>ռ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>б<EFBFBD>Ҫ<EFBFBD><EFBFBD>ӳ<EFBFBD>䡣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>еĵ<EFBFBD>ַ<EFBFBD>ռ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ɲ<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȱʧ<EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ沢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>ʧ<EFBFBD>ܵ<EFBFBD>ָ<EFBFBD>
|
||||
??????????????????????????<3F><>????????????????????<3F><>??????????????????????????????????<3F><>????????????????????????????????????<3F>g?????????????<3F><>
|
||||
|
||||
## <EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>
|
||||
## ???????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD>ҳ
|
||||
### 1. ???
|
||||
|
||||
<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䱻<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>ɹ̶<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>أ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬ҳ<EFBFBD>Ϳ<EFBFBD><EFBFBD>Ĵ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ɽ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɢ<EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ά<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD>
|
||||
??????????????????????????<3F><>?????????????????????????????????????<3F><>??????<3F><>?????????????????????????????????<3F><>?????????????????????????????????????????
|
||||
|
||||
### 2. <EFBFBD>ֶ<EFBFBD>
|
||||
### 2. ???
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>ͼΪһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 4 <20><><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>÷<EFBFBD>ҳϵͳ<CFB5><CDB3>һά<D2BB><CEAC>ַ<EFBFBD>ռ䣬<D5BC><E4A3AC>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5>ᵼ<EFBFBD>¸<EFBFBD><C2B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><C4B3>֡<EFBFBD>
|
||||
??????????????????????<3F><>??????????? 4 ????????????????????<3F><>?????????????????????????????????????????
|
||||
|
||||
|
||||
|
||||
<EFBFBD>ֶε<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳɶΣ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ι<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䡣ÿ<EFBFBD><EFBFBD><EFBFBD>εij<EFBFBD><EFBFBD>ȿ<EFBFBD><EFBFBD>Բ<EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>̬<EFBFBD>ı䡣
|
||||
??<3F><>???????????????<3F><>?????<3F><>?????????????????????<3F><>????????????????????
|
||||
|
||||
ÿ<EFBFBD><EFBFBD><EFBFBD>ζ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD>
|
||||
????<3F><>????????????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD>ҳʽ
|
||||
### 3. ????
|
||||
|
||||
<EFBFBD>÷ֶη<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䰴<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>ֳɻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĶΣ<EFBFBD><EFBFBD><EFBFBD>ÿһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٰ<EFBFBD>ÿ<EFBFBD>ηֳɹ̶<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD>
|
||||
?<3F><>?<3F><>?????????????????<3F><>???????????????????<3F><>????????????<3F><>????????????????????????<3F><>??????<3F><>?????????
|
||||
|
||||
<EFBFBD>÷<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>档<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>ȵĴ洢<EFBFBD>飬<EFBFBD><EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>һҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>еġ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֿɰ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
?<3F><>??????????????????<3F><>???????????????????????<3F><>????<EFBFBD><EFBFBD>?<EFBFBD><EFBFBD>???????????<3F><>????????????????????????????<3F><>????????????????????????
|
||||
|
||||
### 4. <EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
### 4. ???????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20>Գ<EFBFBD><D4B3><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><CDB8><EFBFBD>ԣ<EFBFBD><D4A3><EFBFBD>ҳ<D2B3><CDB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿֶ<C7B7><D6B6><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>Ա<EFBFBD><D4B1>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>Ρ<EFBFBD>
|
||||
?? ???????????????????????????????????????????????<3F><>?
|
||||
|
||||
<EFBFBD><EFBFBD> <20><>ַ<EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ά<EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>ҳ<EFBFBD><D2B3>һά<D2BB><CEAC>ַ<EFBFBD>ռ䣬<D5BC>ֶ<EFBFBD><D6B6>Ƕ<EFBFBD>ά<EFBFBD>ġ<EFBFBD>
|
||||
?? ??????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><>С<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>Ըı䣺ҳ<E4A3BA>Ĵ<EFBFBD>С<EFBFBD><D0A1><EFBFBD>ɱ䣬<C9B1>εĴ<CEB5>С<EFBFBD><D0A1><EFBFBD>Զ<EFBFBD>̬<EFBFBD>ı䡣
|
||||
?? ??<3F><>????????????<3F><>??????<3F><>??<3F><>?????????
|
||||
|
||||
<EFBFBD><EFBFBD> <20><><EFBFBD>ֵ<EFBFBD>ԭ<EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ棬<DAB4>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD>ø<EFBFBD><C3B8><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䣻<D5BC>ֶ<EFBFBD><D6B6><EFBFBD>Ҫ<EFBFBD><D2AA>Ϊ<EFBFBD><CEAA>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><DFBC>϶<EFBFBD><CFB6><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD>ռ䲢<D5BC><E4B2A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><DAB9><EFBFBD><EFBFBD>ͱ<EFBFBD><CDB1><EFBFBD><EFBFBD><EFBFBD>
|
||||
?? ??????????????????????????<3F><>?????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
## ҳ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>㷨
|
||||
## ????????
|
||||
|
||||
<EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ҳ<EFBFBD>治<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ棬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>пռ<EFBFBD>ʱ<EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ҳ<EFBFBD>浽<EFBFBD><EFBFBD><EFBFBD>̶Ի<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>С<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪĿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹҳ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵ȱҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD>
|
||||
????????<3F><>????<3F><>???????????????<3F><>????????????????????<3F><>?????????????<3F><>????????????????<3F><>????????<3F><>?????????<3F><>???????????????????????????<3F><>?????????????????????????????????????????????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD>ѣ<EFBFBD>Optimal<EFBFBD><EFBFBD>
|
||||
### 1. ????Optimal??
|
||||
|
||||
<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD>潫<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD>ٱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ȱҳ<EFBFBD>ʡ<EFBFBD>
|
||||
???????????????<3F><>???????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ᱻ<EFBFBD>ٷ<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ϵͳΪij<EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>
|
||||
??????????????????????????????<3F><>??????????????????<3F><>?
|
||||
|
||||
7<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>1
|
||||
7??0??1??2??0??3??0??4??2??3??0??3??2??1??2??0??1??7??0??1
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD> 7,0,1 <20><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>װ<EFBFBD><D7B0><EFBFBD>ڴ档<DAB4><E6A1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3> 2 ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȱҳ<C8B1>жϣ<D0B6><CFA3>Ὣҳ<E1BDAB><D2B3> 7 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊҳ<CEAA><D2B3> 7 <20>ٴα<D9B4><CEB1><EFBFBD><EFBFBD>ʵ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EEB3A4>
|
||||
?????????????? 7,0,1 ????????????<3F><>?????????????? 2 ??????????<3F><>??????? 7 ???????????? 7 ??<3F><>?????????????
|
||||
|
||||
### 2. <EFBFBD>Ƚ<EFBFBD><EFBFBD>ȳ<EFBFBD><EFBFBD><EFBFBD>FIFO<EFBFBD><EFBFBD>
|
||||
### 2. ????????FIFO??
|
||||
|
||||
<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD>档
|
||||
???????????????????????<3F><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD>Ὣ<EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ҳ<EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD>ʹȱҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߡ<EFBFBD>
|
||||
????????<3F><>????????????????????????????????????
|
||||
|
||||
### 3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δʹ<EFBFBD>ã<EFBFBD>LRU<EFBFBD><EFBFBD>Least Recently Used<EFBFBD><EFBFBD>
|
||||
### 3. ??????<3F><>????LRU??Least Recently Used??
|
||||
|
||||
<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʹ<EFBFBD>õ<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥʹ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LRU <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δʹ<CEB4>õ<EFBFBD>ҳ<EFBFBD>滻<EFBFBD><E6BBBB><EFBFBD><EFBFBD>
|
||||
???????????????????????????????????????????????????LRU ????????<3F><>??????<3F>I????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>ʵ<EFBFBD>ָ<EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>ջ<EFBFBD>д洢ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>š<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>Ŵ<EFBFBD>ջ<EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δʹ<EFBFBD>õ<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD>ס<EFBFBD>
|
||||
???????????????????<3F>՛<EFBFBD>???????????????????????????????????????????????????????????????????????????????????????????????????????<3F><>??????????????????????
|
||||
|
||||
4<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>6
|
||||
4??7??0??7??1??0??1??2??1??2??6
|
||||
|
||||
|
||||
|
||||
### 4. ʱ<EFBFBD>ӣ<EFBFBD>Clock<EFBFBD><EFBFBD>
|
||||
### 4. ????Clock??
|
||||
|
||||
Clock ҳ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>Ҫ<EFBFBD>õ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ҳ<EFBFBD>汻<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ϊ 1<><31>
|
||||
Clock ?????????????????????<3F><>?????????<3F>R????????????????? 1??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>һ<EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD>ȱҳ<EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鵱ǰָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λΪ 0<><30><EFBFBD>ͽ<EFBFBD><CDBD><EFBFBD>ҳ<EFBFBD>滻<EFBFBD><E6BBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>Ϊ 0<><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD>ڶ<EFBFBD><DAB6>εĻ<CEB5><C4BB>ᣬ<EFBFBD>ƶ<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>顣
|
||||
???????????<3F><>??????????????????????<3F><>??????<3F><>?????????<3F>n????????????????<3F><>?????????<3F><>? 0?????????<3F>I???????????????<3F><>????? 0????????????<3F><>???????????????<EFBFBD><EFBFBD>
|
||||
|
||||
# <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>
|
||||
# ?????? ?<3F><>????
|
||||
|
||||
## <EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨
|
||||
## ?????????
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʴ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶԴ<EFBFBD><EFBFBD>̵ķ<EFBFBD><EFBFBD>ʡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD>ȵ<EFBFBD><EFBFBD><EFBFBD>ҪĿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD>ƽ<EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>١<EFBFBD>
|
||||
??????????????????????????????<3F><>?????????????????????????????????????????????????????????
|
||||
|
||||
### 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FCFS<EFBFBD><EFBFBD>First Come First Serverd<EFBFBD><EFBFBD>
|
||||
### 1. ?????????FCFS??First Come First Serverd??
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʴ<EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD>ǹ<EFBFBD>ƽ<EFBFBD>ͼ<EFBFBD>ȱ<EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD>Ϊδ<EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><EFBFBD>Ż<EFBFBD><EFBFBD><EFBFBD>ʹƽ<EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܽϳ<EFBFBD><EFBFBD><EFBFBD>
|
||||
?????????????????????????????<3F><>?????????????????????????????<3F><>????????<3F><>???????????????????????
|
||||
|
||||
### 2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>SSTF<EFBFBD><EFBFBD>Shortest Seek Time First<EFBFBD><EFBFBD>
|
||||
### 2. ??????????????SSTF??Shortest Seek Time First??
|
||||
|
||||
Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵĴŵ<EFBFBD><EFBFBD>뵱ǰ<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>ڴŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>֤ƽ<EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>DZ<EFBFBD> FCFS <EFBFBD>úܶࡣ
|
||||
????????????????????????????????????<3F><>???????????????????????????????????? FCFS ?<3F><>??
|
||||
|
||||
### 3. ɨ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>SCAN<EFBFBD><EFBFBD>
|
||||
### 3. ???????SCAN??
|
||||
|
||||
SSTF <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵĴŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>ڴŵ<EFBFBD><EFBFBD>ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DZ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>ȴ<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD>̻<EFBFBD>һֱ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>
|
||||
SSTF ???????<3F><>???????????????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
SCAN <EFBFBD>㷨<EFBFBD><EFBFBD> SSTF <EFBFBD>㷨֮<EFBFBD>Ͽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˴<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵĴŵ<EFBFBD><EFBFBD>ڴ<EFBFBD>ͷ<EFBFBD><EFBFBD>ǰ<EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ôһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵĴŵ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
SCAN ???? SSTF ????????????????????????????????????????????????????????????????????????????????????????????????????????????????
|
||||
|
||||
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>ݵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD> SCAN <20>㷨Ϊ<E3B7A8><CEAA><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD>㷨<EFBFBD><E3B7A8>
|
||||
??????????????????????????????????????????????????????????????????????????<3F><>????????? SCAN ??????????????
|
||||
|
||||
### 4. ѭ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>CSCAN<EFBFBD><EFBFBD>
|
||||
### 4. ??????????CSCAN??
|
||||
|
||||
CSCAN <EFBFBD><EFBFBD> SCAN <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˸Ķ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD>
|
||||
CSCAN ?? SCAN ??????????????????????????????????
|
||||
|
||||
# <EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
# ?<3F><>?????
|
||||
|
||||
- Tanenbaum A S, Bos H. Modern operating systems[M]. Prentice Hall Press, 2014.
|
||||
|
||||
- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20>ܷ<EFBFBD><DCB7><EFBFBD>, <20><>С<EFBFBD><D0A1>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ[M]. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 2001.
|
||||
- ?????, ?????, ??<3F><>??. ???????????[M]. ???????????????????, 2001.
|
||||
|
||||
- Bryant, R. E., & O<EFBFBD><EFBFBD>Hallaron, D. R. (2004). <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ.
|
||||
- Bryant, R. E., & O??Hallaron, D. R. (2004). ?????????????.
|
||||
|
||||
- [С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>](http://wdxtub.com/interview/index.html)
|
||||
- [<EFBFBD><EFBFBD>???????????????](http://wdxtub.com/interview/index.html)
|
||||
|
||||
- [<EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽ](http://blog.csdn.net/yufaw/article/details/7409596)
|
||||
- [??????????????](http://blog.csdn.net/yufaw/article/details/7409596)
|
||||
|
||||
Reference in New Issue
Block a user