2.3.4 操作系统之信号量机制（整型信号量、记录型信号量P、V）

operating system
Operating System
Publish Date:   2022-07-26
Update Date:   2023-03-28
Word Count:   109
Read Times:   1 Min
Read Count:  

0.思维导图

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1.为什么引入信号量机制？

  • 为了更好的解决进程互斥与同步的问题

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2.什么是信号量机制？

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3.整型信号量

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4.记录型信号量

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（1）举一个生动形象的例子了解记录型信号量
  • 一张图咱们回忆一下进程的状态

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  • 一个例子

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（2）梳理一下记录型信号量的知识点（P、V）

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Author: Liang Junyi
Link: https://liangjunyi010.github.io/liangjunyi.github.io/2022/07/26/operating-system-2.3.4-cao-zuo-xi-tong-zhi-xin-hao-liang-ji-zhi-zheng-xing-xin-hao-liang-ji-lu-xing-xin-hao-liang-p-v/
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