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Comparing libev/ev.pod (file contents):
Revision 1.370 by root, Thu Jun 2 23:42:40 2011 UTC vs.
Revision 1.372 by root, Sat Jun 4 05:44:16 2011 UTC

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178you actually want to know. Also interesting is the combination of 178you actually want to know. Also interesting is the combination of
179C<ev_update_now> and C<ev_now>. 179C<ev_update_now> and C<ev_now>.
180 180
181=item ev_sleep (ev_tstamp interval) 181=item ev_sleep (ev_tstamp interval)
182 182
183Sleep for the given interval: The current thread will be blocked until 183Sleep for the given interval: The current thread will be blocked
184either it is interrupted or the given time interval has passed. Basically 184until either it is interrupted or the given time interval has
185passed (approximately - it might return a bit earlier even if not
186interrupted). Returns immediately if C<< interval <= 0 >>.
187
185this is a sub-second-resolution C<sleep ()>. 188Basically this is a sub-second-resolution C<sleep ()>.
189
190The range of the C<interval> is limited - libev only guarantees to work
191with sleep times of up to one day (C<< interval <= 86400 >>).
186 192
187=item int ev_version_major () 193=item int ev_version_major ()
188 194
189=item int ev_version_minor () 195=item int ev_version_minor ()
190 196
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946overhead for the actual polling but can deliver many events at once. 952overhead for the actual polling but can deliver many events at once.
947 953
948By setting a higher I<io collect interval> you allow libev to spend more 954By setting a higher I<io collect interval> you allow libev to spend more
949time collecting I/O events, so you can handle more events per iteration, 955time collecting I/O events, so you can handle more events per iteration,
950at the cost of increasing latency. Timeouts (both C<ev_periodic> and 956at the cost of increasing latency. Timeouts (both C<ev_periodic> and
951C<ev_timer>) will be not affected. Setting this to a non-null value will 957C<ev_timer>) will not be affected. Setting this to a non-null value will
952introduce an additional C<ev_sleep ()> call into most loop iterations. The 958introduce an additional C<ev_sleep ()> call into most loop iterations. The
953sleep time ensures that libev will not poll for I/O events more often then 959sleep time ensures that libev will not poll for I/O events more often then
954once per this interval, on average. 960once per this interval, on average.
955 961
956Likewise, by setting a higher I<timeout collect interval> you allow libev 962Likewise, by setting a higher I<timeout collect interval> you allow libev

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