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2018-02-27 14:22:51 +08:00
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notes/计算机操作系统.md
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@ -640,7 +640,7 @@ void philosopher(int i) {
![](https://github.com/CyC2018/InterviewNotes/blob/master/pics/e0900bb2-220a-43b7-9aa9-1d5cd55ff56e.png)
<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
<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>ҿ<EFBFBD><EFBFBD>Զ<EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ÿ<EFBFBD><EFBFBD><EFBFBD>ζ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD>
@ -648,17 +648,19 @@ void philosopher(int i) {
<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>
<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>
<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>еģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֿɰ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
### 4. <20><>ҳ<EFBFBD><D2B3><EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD>
<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>
- <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>
<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>
- <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
- <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
<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>
- <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>
## ҳ<><D2B3><EFBFBD>û<EFBFBD><C3BB>㷨
@ -686,7 +688,7 @@ void philosopher(int i) {
<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>
<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>
<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>
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