![](https://img.haomeiwen.com/i5760588/09809c001aec4bfa.png)
sources 包括 sources0(比如点击事件、performSelector)、sources1(基于port的)
![](https://img.haomeiwen.com/i5760588/32dc0fc506bfe744.png)
![](https://img.haomeiwen.com/i5760588/833ab1fc5c64662d.png)
参考:https://www.jianshu.com/p/6453468ef06c
参考:https://www.jianshu.com/p/1d79a7d631c8
参考:https://www.jianshu.com/p/6453468ef06c
参考:https://www.jianshu.com/p/1d79a7d631c8
本文标题:runloop 讲解
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