Commit c8c6a8978e57fcf17135782933b5174b950231bf
2010-01-16T15:24:58
Minimize epoll_ctl calls by using changelist The logic here is a little complex, since epoll_add must used called exactly when no events were previously set, epoll_mod must be used when any events were previously set, and epoll_del only called when the removing all events.