- Global rtdm_device::open_rt
- Only use non-real-time open handler in new drivers.
- Global rtdm_device::socket_rt
- Only use non-real-time socket creation handler in new drivers.
- Global rtdm_operations::close_rt
- Only use non-real-time close handler in new drivers.
- globalScope> Global rtdm_task_sleep_until (nanosecs_abs_t wakeup_time)
- Use rtdm_task_sleep_abs instead!