Function omnisensor::sensor::install_or_activate  
source · [−]pub async fn install_or_activate<F>(
    entry: Entry<'_, String, Arc<Mutex<Sensor>>>,
    cr: &SyncMutex<Crossroads>,
    io: SensorIOCtx,
    sensor_intfs: &SensorIntfData,
    ctor: F
)where
    F: FnOnce() -> Sensor,Expand description
Given a SensorMapEntry from get_nonactive_sensor_entry(), either activate the
inactive sensor or instantiate a new one.
If needed (there’s no existing inactive sensor), a new sensor is constructed by
calling ctor(), added to dbus, and inserted into entry.  In either case, the
sensor is activated with io as its I/O context.