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bug#38632: 27.0.50; Emacs process name is changed permanently upon creat
From: |
Eli Zaretskii |
Subject: |
bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread |
Date: |
Wed, 18 Dec 2019 19:18:57 +0200 |
> From: Robert Pluim <rpluim@gmail.com>
> Cc: yantar92@gmail.com, 38632@debbugs.gnu.org
> Date: Wed, 18 Dec 2019 18:04:53 +0100
>
> Eli> (Btw, the limitation is 16 bytes, including the terminating null, so
> Eli> truncation needs to be clever about non-ASCII characters, and I
> wonder
> Eli> what does prctl do when 15 bytes end in the middle of a multibyte
> Eli> sequence.)
>
> It does exactly what you'd expect, it drops the extraneous bytes, so
> putting eg ü on the boundary results in a name ending in à (#xc3).
So it is one more reason to do or own truncation, so we do it right.
> In any case, if emacs or prctl truncates, then the name as reported
> by 'list-threads' will be out of sync with pthread_getname_np, unless
> you'd want to adjust that too.
We need to truncate the names we store in the thread object (and
document that).
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Ihor Radchenko, 2019/12/16
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Eli Zaretskii, 2019/12/17
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Robert Pluim, 2019/12/18
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Eli Zaretskii, 2019/12/18
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Robert Pluim, 2019/12/18
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread,
Eli Zaretskii <=
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Robert Pluim, 2019/12/18
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Eli Zaretskii, 2019/12/19
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Robert Pluim, 2019/12/19
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Eli Zaretskii, 2019/12/19
- bug#38632: 27.0.50; Emacs process name is changed permanently upon creating a named thread, Eli Zaretskii, 2019/12/20