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Re: wait_reading_process_ouput hangs in certain cases (w/ patches)


From: Eli Zaretskii
Subject: Re: wait_reading_process_ouput hangs in certain cases (w/ patches)
Date: Wed, 14 Mar 2018 18:45:07 +0200

> From: Leo Liu <address@hidden>
> Date: Wed, 14 Mar 2018 12:16:14 +0800
> 
> Is there possibility of including it in the 26.x series? I mean wait
> until 27.1 is just too long to see such a critical fix.

It's possible.  I think whether it will happen depends on two main
factors:

  . whether there will be v26.2 and what will be its goals (only very
    safe bug-fixes or more than that)
  . our experience with these fixes on the master branch (how many
    further changes will be needed to fix any fallout)

Of course, if there will be no Emacs 26.2, then 27.1 will be the very
next release, which should shorten the time until these fixes are
available in official versions.

> In last week I have experienced 2-3 times of hangs (emacs 25.3) that
> consumed ~0% CPU but emacs was not responding to anything (C-g, SIGUSR2
> etc).

Do the changes discussed here fix those hangs?



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