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docs: APM、多句柄数据上报SDK、软件测试小结

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杭城小刘
2020-11-19 03:18:27 +08:00
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Chapter1 - iOS/1.39.md
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@@ -1004,7 +1004,7 @@ CF_EXPORT CFRunLoopRef _CFRunLoopGet0(_CFThreadRef t) {
}
```
![Mach Port Test Demo](./../assets/2020-08-13-MachPortTest.png)
![Mach Port Test Demo](https://raw.githubusercontent.com/FantasticLBP/knowledge-kit/master/assets/2020-08-13-MachPortTest.png)
可以看到 main.m 中，还没有 return 的时候当前 RunLoop 的内部结构中存在一个 **wakeup port** 的端口。查看 RunLoop 源代码 **wakeup port** 就是 mach port 的一种。
@@ -1096,7 +1096,7 @@ CF_EXPORT CFRunLoopRef _CFRunLoopGet0(_CFThreadRef t) {
7. RunLoop lifecycle
![RunLoop lifecycle](./../assets/2020-08-13-RunLoopLifeCycle.png)
![RunLoop lifecycle](https://raw.githubusercontent.com/FantasticLBP/knowledge-kit/master/assets/2020-08-13-RunLoopLifeCycle.png)
休眠时 RunLoop 被 mach_msg 阻塞，等到消息到来，可以是手动给 RunLoop 的 wakeUpPort 发消息 mach_msg，或者是 timer、Source1。然后继续走到 RunLoop run，不断循环