rtapi_exit - Shut down RTAPI
int rtapi_exit(int module_id);
module_id
An rtapi module identifier returned by an earlier call to rtapi_init.
rtapi_exit shuts down and cleans up the RTAPI. It must be called prior to exit by any module that called rtapi_init.
Call only from within non-realtime or realtime init/cleanup code, not from realtime tasks.
Returns a RTAPI status code.