: Signal handler return actions

The return value from the application signal handler to the SoftDevice contains an action.

Table 1. Signal handler action return values
Signal	Description
NRF_RADIO_SIGNAL_CALLBACK_ACTION_NONE	The timeslot processing is not complete. The SoftDevice will take no action.
NRF_RADIO_SIGNAL_CALLBACK_ACTION_END	The current timeslot has ended. The SoftDevice can now resume other activities.
NRF_RADIO_SIGNAL_CALLBACK_ACTION_REQUEST_AND_END	The current timeslot has ended. The SoftDevice is requested to schedule a new timeslot, after which it can resume other activities.
NRF_RADIO_SIGNAL_CALLBACK_ACTION_EXTEND	The SoftDevice is requested to extend the ongoing timeslot.