《计算机操作系统》| 第二章 进程管理(死锁) 知识梳理
其他
2020-02-18 11:10:22
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目录
2.4_1_死锁的概念
2.4_2_死锁的处理策略—预防死锁
2.4_3_死锁的处理策略—避免死锁
2.4_4_死锁的处理策略—死锁的检测与解除
2.4_1_死锁的概念
![](https://img-blog.csdnimg.cn/20190609220459439.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609221050534.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609221255153.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609221458787.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609221526126.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
2.4_2_死锁的处理策略—预防死锁
破坏四大条件
![](https://img-blog.csdnimg.cn/20190609222724416.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609223150100.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609223026865.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609223131201.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609223339433.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190609223450159.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
2.4_3_死锁的处理策略—避免死锁
![](https://img-blog.csdnimg.cn/20190610092834595.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610094439228.png)
![](https://img-blog.csdnimg.cn/20190610094410535.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610094605245.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
2.4_4_死锁的处理策略—死锁的检测与解除
![](https://img-blog.csdnimg.cn/20190610094709130.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610094842844.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610095006991.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610095037400.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610095108454.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20190610095120442.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2,size_16,color_FFFFFF,t_70)
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