Poll approach: A traditional way for I/O multiplexing

poll方法：传统的I/O多路复用方式

youdao

I was a bit disappointed but would not poll back.

这让我有点失望，但是也不能会头啊。

youdao

I was a bit disappointed but would not poll back.

这让我有点失望，但是也不能会头啊。

youdao