185     void StartReadThread() REQUIRES(mutex_);
186     bool started_ GUARDED_BY(mutex_) = false;
187     bool stopped_ GUARDED_BY(mutex_) = false;
190     std::thread read_thread_ GUARDED_BY(mutex_);
191     std::thread write_thread_ GUARDED_BY(mutex_);
193     std::deque<std::unique_ptr<apacket>> write_queue_ GUARDED_BY(mutex_);
194     std::mutex mutex_;  member
240     bool connection_established_ GUARDED_BY(mutex_) = false;
241     bool connection_established_ready_ GUARDED_BY(mutex_) = false;
242     std::mutex mutex_;  variable
297         std::lock_guard<std::mutex> lock(mutex_);  in connection()
426     std::shared_ptr<Connection> connection_ GUARDED_BY(mutex_);
436     std::mutex mutex_;  variable