From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Eli Zaretskii <eliz@gnu.org>
Cc: lekktu@gmail.com, emacs-devel@gnu.org,
Roland.Winkler@physik.uni-erlangen.de
Subject: Re: proced: ppid of process ID 0 can be 0
Date: Tue, 23 Dec 2008 15:41:56 -0500 [thread overview]
Message-ID: <jwvprjiocbv.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <uabamd7t7.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 23 Dec 2008 21:12:52 +0200")
>> >> Indeed, it should be in system-process-attributes which is already
>> >> OS-dependent.
>> > If you mean by having no ppid attribute, then that's ambiguous, since
>> > an attribute can be missing because it is inaccessible for some
>> > reason, like some kind of failure unrelated to the fact that the
>> > process is really a root of a tree.
>> Seems very hypothetical.
> It's not hypothetical, I've seen such cases and reported them to
> Roland.
What were those cases?
>> More to the point: even if we could distinguish the "no ppid" from
>> "unkown ppid", it's unclear how Elisp code could make use of it.
> Lisp code cannot, but a primitive written in C can.
Like what can it do?
Stefan
next prev parent reply other threads:[~2008-12-23 20:41 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-20 2:52 proced: ppid of process ID 0 can be 0 Juanma Barranquero
2008-12-20 3:27 ` Stefan Monnier
2008-12-20 4:31 ` Chong Yidong
2008-12-20 19:10 ` Stefan Monnier
2008-12-20 10:20 ` Juanma Barranquero
2008-12-20 11:34 ` Eli Zaretskii
2008-12-20 19:41 ` Roland Winkler
2008-12-20 21:02 ` Juanma Barranquero
2008-12-20 22:02 ` Eli Zaretskii
2008-12-20 22:41 ` Roland Winkler
2008-12-21 4:15 ` Eli Zaretskii
2008-12-21 4:48 ` Roland Winkler
2008-12-21 19:17 ` Eli Zaretskii
2008-12-21 21:26 ` Juanma Barranquero
2008-12-22 4:09 ` Eli Zaretskii
2008-12-22 10:41 ` Juanma Barranquero
2008-12-22 19:17 ` Eli Zaretskii
2008-12-22 19:26 ` Juanma Barranquero
2008-12-22 2:45 ` Stefan Monnier
2008-12-22 4:08 ` Eli Zaretskii
2008-12-22 4:17 ` Miles Bader
2008-12-22 19:10 ` Eli Zaretskii
2008-12-22 8:54 ` Harald Hanche-Olsen
2008-12-22 10:43 ` Juanma Barranquero
2008-12-22 10:50 ` Harald Hanche-Olsen
2008-12-22 18:03 ` Giorgos Keramidas
2008-12-22 10:59 ` Andreas Schwab
2008-12-22 19:22 ` Eli Zaretskii
2008-12-22 19:37 ` David De La Harpe Golden
2008-12-22 19:59 ` Andreas Schwab
2008-12-22 12:23 ` Stefan Monnier
2008-12-22 19:57 ` Eli Zaretskii
2008-12-22 22:24 ` Stefan Monnier
2008-12-23 4:02 ` Eli Zaretskii
2008-12-23 12:28 ` Roland Winkler
2008-12-23 14:44 ` Stefan Monnier
2008-12-23 19:12 ` Eli Zaretskii
2008-12-23 20:41 ` Stefan Monnier [this message]
2008-12-23 22:34 ` Giorgos Keramidas
2008-12-24 2:34 ` Stefan Monnier
2008-12-24 4:14 ` Eli Zaretskii
2008-12-24 16:47 ` Stefan Monnier
2008-12-24 4:15 ` Eli Zaretskii
2008-12-24 16:47 ` Stefan Monnier
2008-12-24 18:29 ` Eli Zaretskii
2008-12-24 18:55 ` Stefan Monnier
2008-12-24 21:12 ` Eli Zaretskii
2008-12-30 17:11 ` Stefan Monnier
2008-12-30 22:02 ` Eli Zaretskii
2008-12-31 1:40 ` Stefan Monnier
2008-12-22 8:28 ` Ulrich Mueller
2008-12-21 2:18 ` Stefan Monnier
-- strict thread matches above, loose matches on Subject: below --
2008-12-24 7:42 grischka
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