old_age=atomic_read(&qends->endinfo.rtlinfo.rtl_writeq_age);
while((ret=canque_get_inslot4id(qends,qedgep,slotp,cmd,id,prio))==-1){
rtl_sigemptyset(&sigset);
old_age=atomic_read(&qends->endinfo.rtlinfo.rtl_writeq_age);
while((ret=canque_get_inslot4id(qends,qedgep,slotp,cmd,id,prio))==-1){
rtl_sigemptyset(&sigset);