udp fd write event #5
Description
Hi，I have a doubt，Usually the udp connection is always writable，but If I add the udp connection write event to epoll via ev_io_start, then when can trigger a writable event ?
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Hi，I have a doubt，Usually the udp connection is always writable，but If I add the udp connection write event to epoll via ev_io_start, then when can trigger a writable event ?