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Comparing EV/EV.pm (file contents):
Revision 1.150 by root, Thu Aug 30 21:52:02 2018 UTC vs.
Revision 1.151 by root, Tue Sep 4 23:14:45 2018 UTC

… …
682surpasses this time. 682surpasses this time.
683 683
684=item * repeating interval timer ($interval > 0, $reschedule_cb = 0) 684=item * repeating interval timer ($interval > 0, $reschedule_cb = 0)
685 685
686In this mode the watcher will always be scheduled to time out at the 686In this mode the watcher will always be scheduled to time out at the
687next C<$at + N * $interval> time (for some integer N) and then repeat, 687next C<$at + N * $interval> time (for the lowest integer N) and then repeat,
688regardless of any time jumps. 688regardless of any time jumps. Note that, since C<N> can be negative, the
689first trigger can happen before C<$at>.
689 690
690This can be used to create timers that do not drift with respect to system 691This can be used to create timers that do not drift with respect to system
691time: 692time:
692 693
693 my $hourly = EV::periodic 0, 3600, 0, sub { print "once/hour\n" }; 694 my $hourly = EV::periodic 0, 3600, 0, sub { print "once/hour\n" };

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