From: Eric Wong <normalperson@...>
Date: 2018-04-29T07:38:57+00:00
Subject: [ruby-core:86759] Re: [Ruby trunk Feature#14723] [WIP] sleepy GC

Eric Wong <normalperson@yhbt.net> wrote:
> This is a quick check and even optimized inside the Linux kernel[1].

Sorry, forgot link:
[1] https://bogomips.org/mirrors/linux.git/tree/fs/select.c?h=v4.16#n851
    /* Optimise the no-wait case */

   Also, epoll also optimizes for timeout == 0:
    https://bogomips.org/mirrors/linux.git/tree/fs/eventpoll.c?h=v4.16#n1754

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