From ae2477e7f99028fb145f5316de2f5e5907eca5ae Mon Sep 17 00:00:00 2001 From: CyC2018 <1029579233@qq.com> Date: Tue, 27 Feb 2018 14:14:59 +0800 Subject: [PATCH] auto commit --- notes/计算机操作系统.md | 48 ++++++++++++++++++++--------------------- 1 file changed, 23 insertions(+), 25 deletions(-) diff --git a/notes/计算机操作系统.md b/notes/计算机操作系统.md index c9bcf230..b724e7d5 100644 --- a/notes/计算机操作系统.md +++ b/notes/计算机操作系统.md @@ -404,11 +404,9 @@ Linux ֣ܵ - ͨܵƣһְֻ֧˫ͨŷʽֻܵ䣻ֻڸӽ֮ʹã - - ܵȥһƣ֧˫䣻 - - ܵȥڶƣڲؽ֮ͨš +1. ͨܵƣһְֻ֧˫ͨŷʽֻܵ䣻ֻڸӽ֮ʹã +2. ܵȥһƣ֧˫䣻 +3. ܵȥڶƣڲؽ֮ͨš ### 2. ź @@ -424,7 +422,7 @@ Linux ### 5. ڴ -ڴӳһܱʵڴ棬ιڴһ̴̶Էʡڴ IPC ʽ̼ͨŷʽЧʵͶרƵġͨŻƣźʹãʵֽ̼ͬͨš +ڴӳһܱʵڴ棬ιڴһ̴̶Էʡڴ IPC ʽ IPC ЧʵͶרƵġͨŻƣźʹãʵֽ̼ͬͨš ### 6. ׽ @@ -524,10 +522,12 @@ void philosopher(int i) { ![](https://github.com/CyC2018/InterviewNotes/blob/master/pics/c037c901-7eae-4e31-a1e4-9d41329e5c3e.png) 1. -2. 뱣֣һԴʱѻõԴֲš +2. 뱣 3. ռ 4. ·ȴ +У뱣ָһԴʱѻõԴֲš + ## Ĵ ### 1. @@ -582,15 +582,13 @@ void philosopher(int i) { һ״̬Ƿȫ㷨£ - ұߵľǷһСڵ AУôϵͳᷢ״̬Dzȫġ - - ҵһУý̱ΪֹѷԴӵ A С - - ظֱн̶Ϊֹ״̬ʱȫġ +- ұߵľǷһСڵ AУôϵͳᷢ״̬Dzȫġ +- ҵһУý̱ΪֹѷԴӵ A С +- ظֱн̶Ϊֹ״̬ʱȫġ ### 4. ָ -ͼ֯ǵ⵽ʱȡʩлָ +ͼֹǵ⵽ʱȡʩлָ #### 4.1 㷨 @@ -600,33 +598,33 @@ void philosopher(int i) { ͼУĸԴÿݴĺ£ -E Դ -A Դʣ -C ÿӵеԴÿһжһӵԴ -R ÿԴ +- E Դ +- A Դʣ +- C ÿӵеԴÿһжһӵԴ +- R ÿԴ - P1 P2 Դò㣬ֻн P3 ԣ P3 ִУ֮ͷ P3 ӵеԴʱ A = (2 2 2 0)P1 ִУִкͷ P1 ӵеԴ A = (4 2 2 2) P2 ҲִСн̶˳ִУû + P1 P2 Դò㣬ֻн P3 ԣ P3 ִУ֮ͷ P3 ӵеԴʱ A = (2 2 2 0)P1 ִУִкͷ P1 ӵеԴA = (4 2 2 2) P2 ҲִСн̶˳ִУû 㷨ܽ£ ÿʼʱǣִйпܱǡ㷨ʱκûбǵĽ̶̡ - ѰһûбǵĽ PiԴСڵ A - ҵһ̣ô C ĵ i ӵ A УǸỵ́ת ١ - ûһ̣㷨ֹ +1. ѰһûбǵĽ PiԴСڵ A +2. ҵһ̣ô C ĵ i ӵ A УǸỵ́ת 1 +3. ûһ̣㷨ֹ #### 4.2 ָ - ռָ - ɱ +- ռָ +- ɱ # 洢 ## ڴ -ÿӵԼĵַռ䣬ַռ䱻ָɶ飬ÿһΪһ ҳЩҳӳ䵽ڴ棬Ҫӳ䵽ڴ棬ҲҪҳڴС +ÿӵԼĵַռ䣬ַռ䱻ָɶ飬ÿһΪһҳЩҳӳ䵽ڴ棬Ҫӳ䵽ڴ棬ҲҪҳڴС -õһڴеĵַռʱӲִбҪӳ䡣õһֲڴеĵַռʱɲϵͳȱʧIJװڴ沢ִʧָܵ +õһڴеĵַռʱӲִбҪӳ䣬ȱʧIJװڴ沢ִʧָܵ ## ҳֶ