Re: limitation in how emacs processes subprocess output, maybe belongs to mainstream

[Robert Pluim]

>>>>> On Wed, 25 May 2022 15:10:55 +0300, Jean Louis <bugs@gnu.support> said:

    Jean> I have read in Emacs News by Sacha Chua, about this Eshell speed up:
    Jean> From 70 Seconds To 3 Seconds
    Jean> https://tdodge.consulting/blog/eshell/background-output-thread

    Jean> and the fork of Emacs is here:

    Jean> GitHub - tyler-dodge/emacs: Fork of emacs mirror Emacs. Has a
    Jean> background thread optimization for getting past the 1024 byte
    Jean> bottleneck on MacOS
    Jean> https://github.com/tyler-dodge/emacs

    Jean> Where author writes:

    >> In a change that I made to my fork of emacs, I added a background
    >> thread that continuously handles buffering subprocess output. This
    >> has the benefit of ensuring that the subprocess output is consumed
    >> as soon as it is available in STDOUT, which minimizes the amount of
    >> time that the subprocess blocks waiting for emacs to consume its
    >> output. This also makes it so that the strings passed to the
    >> subprocess filter can be larger than 1024 bytes because multiple
    >> reads can happen in the time between event loop evaluations.

    Jean> Maybe developers and author may find it useful to implement author's
    Jean> feature in the main stream Emacs?

Maybe. What's the copyright status of those changes?

Thanks

Robert
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