kernel/futex/pi.c

478 	u32 curval;
483 	err = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
488 	return curval != uval ? -EAGAIN : 0;
621 	u32 curval, newval;
638 	ret = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
639 	if (!ret && (curval != uval)) {
646 		if ((FUTEX_TID_MASK & curval) == uval)
676 	u32 uval, curval, newval, newtid;
760 		err = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
764 		if (curval == uval)
766 		uval = curval;
1114 	u32 curval, uval, vpid = task_pid_vnr(current);
1233 	if ((ret = futex_cmpxchg_value_locked(&curval, uaddr, uval, 0))) {
1251 	ret = (curval == uval) ? 0 : -EAGAIN;