以下代码, cond_buffer_async_.notifyAll();有可能先于 log_close_ = true;执行 <img width="483" height="274" alt="Image" src="https://github.com/user-attachments/assets/a12520ae-e063-404c-9c2c-4695d472c142" /> 如果先执行了cond_buffer_async_.notifyAll();,再执行 log_close_ = true;子线程就无法退出 <img width="636" height="305" alt="Image" src="https://github.com/user-attachments/assets/d1f3a640-2b4f-4fc8-9afa-b018e282d767" /> 请联系sammylan@tencent.com