rtapi_task_self - Retrieve ID of current task
void rtapi_task_self();
rtapi_task_self retrieves the current task, or -EINVAL if not in a realtime task (e.g., in startup or shutdown code).
May be called from init/cleanup code, and from within realtime tasks.
The task number previously returned by rtapi_task_new or -EINVAL.
rtapi_task_new(3rtapi)