GNU bug report logs - #36287
26.2.90; On macOS, process-attributes returns truncated command name

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Package: emacs;

Reported by: Xu Chunyang <mail <at> xuchunyang.me>

Date: Wed, 19 Jun 2019 07:47:02 UTC

Severity: minor

Tags: fixed, patch

Found in version 26.2.90

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #8 received at 36287 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> suse.de>
To: Xu Chunyang <mail <at> xuchunyang.me>
Cc: 36287 <at> debbugs.gnu.org
Subject: Re: bug#36287: 26.2.90;
 On macOS, process-attributes returns truncated command name
Date: Wed, 19 Jun 2019 10:38:15 +0200

On Jun 19 2019, Xu Chunyang <mail <at> xuchunyang.me> wrote:

> (alist-get 'comm (process-attributes 45329))
> ;; => "Google Chrome He"
>
> But the command name is actually 'Google Chrome Helper' as the following
> shows

That's probably a kernel limitation.  The Linux kernel also remembers no
more than 15 characters of the command name.  You need to peek that the
process's memory to retrieve the full name.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
This bug report was last modified 4 years and 281 days ago.

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