互斥概念

原創 dreamstone 2020-02-22 12:16

互斥的幾種實現方式：
一，忙等待互斥
1,禁止中斷
2,鎖變量
3,嚴格的輪換
4,peterson算法
5,Tsl
忙等待存在着各種各樣的問題，一個最大的問題使消耗cpu，另外容器產生各種錯誤。而且還可能出現優先級反轉問題，所以忙等待並不是很好的辦法

 


 

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