# Test


重要角色：
```
ServiceManager
ProcessState
IPCThreadState
```


```mermaid
sequenceDiagram
init.rc->>main: call /cmd/servicemanager/main
main-->>ProcessState: 打开驱动
main-->>ServiceManager: new
main-->>IPCThreadState: 将自己注册为Binder机制的管理者
```