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spawn_host_watcher

Function spawn_host_watcher 

Source
pub fn spawn_host_watcher(
    engine: &Arc<MainEngine>,
    shared: &Arc<UiShared>,
) -> JoinHandle<()>
Expand description

宿主观察线程:窗口不复用的引擎在这里按 stop 位收场(close_all join)。

纪律:close 顺序也让宿主自己走(逆 start 序),观察线程只送信号不代走步骤。