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)


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
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