Re: Performance degradation in commit ac1d794

On 2016-02-08 17:49:18 +0900, Kyotaro HORIGUCHI wrote:
> How about allowing registration of a callback for every waiting
> socket. The signature of the callback function would be like

I don't think a a callback based API is going to serve us well. Most of
the current latch callers would get noticeably more complex that
way. And a number of them will benefit from latches using epoll
internally.

Greetings,

Andres Freund