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Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.409 by root, Thu Dec 6 12:10:09 2012 UTC vs.
Revision 1.410 by root, Fri Mar 1 06:03:21 2013 UTC

… …
2929This module is part of perl since release 5.008. It will be used when the 2929This module is part of perl since release 5.008. It will be used when the
2930chosen event library does not come with a timing source of its own. The 2930chosen event library does not come with a timing source of its own. The
2931pure-perl event loop (L<AnyEvent::Loop>) will additionally load it to 2931pure-perl event loop (L<AnyEvent::Loop>) will additionally load it to
2932try to use a monotonic clock for timing stability. 2932try to use a monotonic clock for timing stability.
2933 2933
2934=item L<AnyEvent::AIO> (and L<IO::AIO>)
2935
2936The default implementation of L<AnyEvent::IO> is to do I/O synchronously,
2937stopping programs while they access the disk, which is fine for a lot of
2938programs.
2939
2940Installing AnyEvent::AIO (and its IO::AIO dependency) makes it switch to
2941a true asynchronous implementation, so event processing can continue even
2942while waiting for disk I/O.
2943
2934=back 2944=back
2935 2945
2936 2946
2937=head1 FORK 2947=head1 FORK
2938 2948

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