- can correctly remove timers while executing callbacks
(libevent doesn't handle this reliably and can crash)
- can correctly remove timers while executing callbacks
(libevent doesn't handle this reliably and can crash)
- less calls to epoll_ctl
(stopping and starting an io watcher between two loop iterations will now
result in spuriois epoll_ctl calls)
- less calls to epoll_ctl
(stopping and starting an io watcher between two loop iterations will now
result in spuriois epoll_ctl calls)