Without further ado, the following was found: Issue: Wording o.k.? "… integer, the counter cycles, starting … "POSIX.1 specifies that if the timer overrun count is equal to or greater " "than an implementation-defined maximum, B<DELAYTIMER_MAX>, then " "B<timer_getoverrun>() should return B<DELAYTIMER_MAX>. However, before " "Linux 4.19, if the timer overrun value exceeds the maximum representable " "integer, the counter cycles, starting once more from low values. Since " "Linux 4.19, B<timer_getoverrun>() returns B<DELAYTIMER_MAX> (defined as " "B<INT_MAX> in I<E<lt>limits.hE<gt>>) in this case (and the overrun value is " "reset to 0)."