70   LibUDevSymbolTable libudev_;  member in cricket::LinuxDeviceWatcher
315   if (!libudev_.Load() || IsWrongLibUDevAbiVersion(libudev_.GetDllHandle())) {  in Start()
320   udev_ = libudev_.udev_new()();  in Start()
328   udev_monitor_ = libudev_.udev_monitor_new_from_netlink()(udev_, "udev");  in Start()
341   if (libudev_.udev_monitor_filter_add_match_subsystem_devtype()(  in Start()
346   if (libudev_.udev_monitor_enable_receiving()(udev_monitor_) < 0) {  in Start()
361     libudev_.udev_monitor_unref()(udev_monitor_);  in Stop()
365     libudev_.udev_unref()(udev_);  in Stop()
368   libudev_.Unload();  in Stop()
380   udev_device* device = libudev_.udev_monitor_receive_device()(udev_monitor_);  in OnEvent()
395   libudev_.udev_device_unref()(device);  in OnEvent()
400   return libudev_.udev_monitor_get_fd()(udev_monitor_);  in GetDescriptor()