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bug#40023: 26.3; Emacs crashes when creating process if many file handle
From: |
Eli Zaretskii |
Subject: |
bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls) |
Date: |
Wed, 11 Mar 2020 18:17:02 +0200 |
> From: Robert Pluim <rpluim@gmail.com>
> Date: Wed, 11 Mar 2020 16:32:14 +0100
> Cc: 40023@debbugs.gnu.org
>
> >>>>> On Wed, 11 Mar 2020 13:50:22 +0000, Holger Pirk <holger@pirk.name> said:
>
> Holger> I have spent some time digging around the code and couldn't quite
> figure
> Holger> out the logic behind the `fd < FD_SETSIZE`-assert. I suspect the
> CCLS
> Holger> opens files without going through emacs' infrastructure which
> leads to
> Holger> high file descriptors which emacs cannot handle. I would say that
> CCLS
> Holger> is, in part, to blame but emacs shouldn't simply crash.
>
> Emacs is limited by the limits of select, which supports a maximum of
> FD_SETSIZE file descriptors, which on macOS is 1024
>
> At least on macOS, itʼs possible to increase that value to eg 8192 by
> setting FD_SETSIZE, which might alleviate this, but then you'd
> probably run into the 'ulimit -n' maximum, so you'd have to remember
> to increase that.
Wasn't this fixed lately by Yamamoto-san?
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Holger Pirk, 2020/03/11
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Robert Pluim, 2020/03/11
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls),
Eli Zaretskii <=
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Robert Pluim, 2020/03/12
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Eli Zaretskii, 2020/03/12
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Robert Pluim, 2020/03/12
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Eli Zaretskii, 2020/03/12
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Robert Pluim, 2020/03/12
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Robert Pluim, 2020/03/19
- bug#40023: 26.3; Emacs crashes when creating process if many file handles are in use (e.g., when using ccls), Eli Zaretskii, 2020/03/19