61   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SourceConnectionStateCallback()  local
71   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SourceAudioStateCallback()  local
82   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SourceAudioConfigCallback()  local
93   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SinkConnectionStateCallback()  local
102   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SinkAudioStateCallback()  local
111   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in SinkAudioConfigCallback()  local
318   std::unique_lock<shared_mutex_impl> lock(g_instance_lock);  in Initialize()  local
333   std::unique_lock<shared_mutex_impl> lock(g_instance_lock);  in CleanUp()  local
342   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in IsInitialized()  local
349   std::unique_lock<shared_mutex_impl> lock(g_instance_lock);  in InitializeForTesting()  local
358   std::shared_lock<shared_mutex_impl> lock(g_instance_lock);  in Get()  local