61     std::lock_guard<std::mutex> lock(mMtx);  in setCallback()
70     std::lock_guard<std::mutex> lock(mMtx);  in close()
141         std::lock_guard<std::mutex> lock(mMtx);  in start()
153         std::lock_guard<std::mutex> lock(mMtx);  in start()
168         std::lock_guard<std::mutex> lock(mMtx);  in stop()
207     std::lock_guard<std::mutex> lock(mMtx);  in setPositionMode()
232     std::lock_guard<std::mutex> lock(mMtx);  in startSvStatus()
238     std::lock_guard<std::mutex> lock(mMtx);  in stopSvStatus()
244     std::lock_guard<std::mutex> lock(mMtx);  in startNmea()
250     std::lock_guard<std::mutex> lock(mMtx);  in stopNmea()
256     std::lock_guard<std::mutex> lock(mMtx);  in onGnssStatusCb()
263     std::lock_guard<std::mutex> lock(mMtx);  in onGnssSvStatusCb()
285     std::lock_guard<std::mutex> lock(mMtx);  in onGnssNmeaCb()
313     std::lock_guard<std::mutex> lock(mMtx);  in onGnssLocationCb()
353     std::lock_guard<std::mutex> lock(mMtx);  in getRunningTime()