Function gio_2_0_sys::g_io_scheduler_job_send_to_mainloop

pub unsafe extern "C" fn g_io_scheduler_job_send_to_mainloop(
    job: *mut GIOSchedulerJob, 
    func: GSourceFunc, 
    user_data: gpointer, 
    notify: Option<GDestroyNotify>
) -> gboolean