if (bucketSize == 0) continue;
Continue reading...，这一点在雷电模拟器官方版本下载中也有详细论述
That said, it's important to recognize that locking in itself is not bad. It does, in fact, serve an important purpose to ensure that applications properly and orderly consume or produce data. The key challenge is with the original manual implementation of it using APIs like getReader() and releaseLock(). With the arrival of automatic lock and reader management with async iterables, dealing with locks from the users point of view became a lot easier.，详情可参考91视频
/home → /var/home。关于这个话题，搜狗输入法下载提供了深入分析