Function swap::controller::abort_background_job  
source ยท fn abort_background_job<T>(
    join_handle: ScopedJoinHandle<'_, Result<T>>,
    bg_job_control: &BackgroundJobControl,
) -> Result<T>fn abort_background_job<T>(
    join_handle: ScopedJoinHandle<'_, Result<T>>,
    bg_job_control: &BackgroundJobControl,
) -> Result<T>