GNU bug report logs - #12980
24.3.50; Zombie process left after call-process

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Package: emacs;

Reported by: Harald Hanche-Olsen <hanche <at> math.ntnu.no>

Date: Sat, 24 Nov 2012 09:37:02 UTC

Severity: important

Tags: patch

Merged with 14515

Found in versions 24.3, 24.3.50

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Harald Hanche-Olsen <hanche <at> math.ntnu.no>
Subject: bug#12980: closed (Re: 24.3.50; Zombie process left after
 call-process)
Date: Mon, 03 Dec 2012 21:51:02 +0000

[Message part 1 (text/plain, inline)]
Your bug report

#12980: 24.3.50; Zombie process left after call-process

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 12980 <at> debbugs.gnu.org.

-- 
12980: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12980
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]
From: Paul Eggert <eggert <at> cs.ucla.edu>
To: 12980-done <at> debbugs.gnu.org, 9488-done <at> debbugs.gnu.org
Subject: Re: 24.3.50; Zombie process left after call-process
Date: Mon, 03 Dec 2012 13:47:59 -0800

No further comment, so I installed the patch as Emacs trunk bzr 111081
and am marking bugs 9488 and 12980 as done.


[Message part 3 (message/rfc822, inline)]
From: Harald Hanche-Olsen <hanche <at> math.ntnu.no>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; Zombie process left after call-process
Date: Sat, 24 Nov 2012 10:34:37 +0100 (CET)

If I run

(call-process "/bin/sleep" nil 0 nil "5")

this returns immediately (which is expected), but after 5 seconds, the
subprocess becomes a zombie and hangs around until emacs is quit.

In GNU Emacs 24.3.50.1 (x86_64-apple-darwin12.2.0, NS apple-appkit-1187.34)
 of 2012-11-09 on airy
Bzr revision: 110853 jan.h.d <at> swipnet.se-20121109063651-ewuwszrpta821oha
Windowing system distributor `Apple', version 10.3.1187
Configured using:
 `configure '--with-ns''

I asked about this on the emacs-devel list (see the thread "Zombie
subprocesses" starting 2012-11-23), and others report being able to
reproduce the bug on Cygwin (emacs-24 branch) and GNU/Linux
(x86_64-unknown-linux-gnu, latest emacs-24 and trunk) as well.

From the discussion there, this appears related to bug#8855 somehow.

- Harald
This bug report was last modified 11 years and 344 days ago.

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