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1.协程对应操作系统里面的什么

2.golang是如何实现的


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goroutine是Go语言运行库的功能,不是操作系统提供的功能,goroutine不是用线程实现的。
goroutine就是一段代码,一个函数入口,以及在堆上为其分配的一个堆栈。所以它非常廉价,我们可以很轻松的创建上万个goroutine,但它们并不是被操作系统所调度执行。


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