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Comparing libev/ev.pod (file contents):
Revision 1.84 by root, Wed Dec 12 22:26:37 2007 UTC vs.
Revision 1.85 by root, Mon Dec 17 07:24:12 2007 UTC

1220 1220
1221The current reschedule callback, or C<0>, if this functionality is 1221The current reschedule callback, or C<0>, if this functionality is
1222switched off. Can be changed any time, but changes only take effect when 1222switched off. Can be changed any time, but changes only take effect when
1223the periodic timer fires or C<ev_periodic_again> is being called. 1223the periodic timer fires or C<ev_periodic_again> is being called.
1224 1224
1225=item ev_tstamp at [read-only]
1226
1227When active, contains the absolute time that the watcher is supposed to
1228trigger next.
1229
1225=back 1230=back
1226 1231
1227Example: Call a callback every hour, or, more precisely, whenever the 1232Example: Call a callback every hour, or, more precisely, whenever the
1228system clock is divisible by 3600. The callback invocation times have 1233system clock is divisible by 3600. The callback invocation times have
1229potentially a lot of jittering, but good long-term stability. 1234potentially a lot of jittering, but good long-term stability.

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