What do you mean by Semaphore in OS? Why is it used?

What do you mean by Semaphore in OS? Why is it used?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, operating-system, topic-specific, os, cs-fundamentals

参考答案摘要

Semaphore is a synchronization mechanism that is used to control access to shared resources in multi-threaded or multi-process systems. It maintains a count of available resources and provides two ato...

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