| --- a/util/channel.h 2022-01-10 03:06:56.580066258 +0800 | |
| +++ b/util/channel.h 2022-01-10 03:06:46.337071094 +0800 | |
| @@ -60,7 +60,7 @@ | |
| private: | |
| std::condition_variable cv_; | |
| - std::mutex lock_; | |
| + mutable std::mutex lock_; | |
| std::queue<T> buffer_; | |
| bool eof_; | |
| }; |