From: Ulrich Mueller <ulm@kph.uni-mainz.de>
To: "Juanma Barranquero" <lekktu@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: error in server-running-p on M$
Date: Sat, 22 Nov 2008 15:29:31 +0100 [thread overview]
Message-ID: <18728.5963.672940.47287@a1ihome1.kph.uni-mainz.de> (raw)
In-Reply-To: <f7ccd24b0811220617g7c71dc0drdc61332d1a9a6fda@mail.gmail.com>
>>>>> On Sat, 22 Nov 2008, Juanma Barranquero wrote:
>> Shouldn't it try to actually connect to the socket (in the
>> server-use-tcp case), to find out if the server is functional?
>> That would also be consistent with the behaviour for local sockets.
> The idea is to run a simple test, that does not have the risk of
> incurring in a timeout.
This doesn't catch all cases. For example, the server process could be
running on a remote machine, with the port tunnelled over ssh.
> Also, if the server authentication file says that Emacs process PID is
> using port P, and there's really an Emacs of pid PID but it is no
> longer answering to requests on port P, that is PID's problem, not the
> current instance's.
I think that the false positives are not the problem, but the false
negatives (i.e. port is in use, but server-running-p returns nil) are.
Ulrich
next prev parent reply other threads:[~2008-11-22 14:29 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-22 11:44 error in server-running-p on M$ dhruva
2008-11-22 11:58 ` Juanma Barranquero
2008-11-22 12:51 ` Eli Zaretskii
2008-11-22 13:00 ` Juanma Barranquero
2008-11-22 13:20 ` Eli Zaretskii
2008-11-22 13:37 ` Juanma Barranquero
2008-11-22 13:53 ` Eli Zaretskii
2008-11-22 14:13 ` Ulrich Mueller
2008-11-22 14:17 ` Juanma Barranquero
2008-11-22 14:29 ` Ulrich Mueller [this message]
2008-11-22 14:36 ` Juanma Barranquero
2008-11-22 15:35 ` Ulrich Mueller
2008-11-22 16:04 ` Juanma Barranquero
2008-11-22 16:52 ` Ulrich Mueller
2008-11-22 21:47 ` Juanma Barranquero
2008-11-23 3:56 ` dhruva
2008-11-23 3:59 ` Juanma Barranquero
2008-11-23 4:01 ` dhruva
2008-11-23 4:03 ` Juanma Barranquero
2008-11-23 4:10 ` dhruva
2008-11-23 4:15 ` Juanma Barranquero
2008-11-23 4:17 ` dhruva
2008-11-23 4:19 ` Juanma Barranquero
2008-11-23 8:14 ` Server protocol (was: Re: error in server-running-p on M$) Ulrich Mueller
2008-11-23 11:33 ` Juanma Barranquero
2008-11-23 16:33 ` dhruva
2008-11-23 17:48 ` Juanma Barranquero
2008-11-23 4:02 ` error in server-running-p on M$ Stefan Monnier
2008-11-23 4:10 ` Juanma Barranquero
2008-11-23 5:21 ` Stefan Monnier
2008-11-23 5:32 ` Juanma Barranquero
2008-11-23 5:57 ` Stefan Monnier
2008-11-23 11:26 ` Juanma Barranquero
2008-11-23 12:46 ` Juanma Barranquero
2008-11-23 13:13 ` Ulrich Mueller
2008-11-24 2:55 ` Stefan Monnier
2008-11-24 14:46 ` Juanma Barranquero
2008-11-24 15:10 ` Ulrich Mueller
2008-11-24 15:16 ` Juanma Barranquero
2008-11-24 15:34 ` Ulrich Mueller
2008-11-24 15:45 ` Juanma Barranquero
2008-12-09 20:46 ` Stefan Monnier
2008-12-10 7:05 ` Chetan Pandya
2008-12-10 12:59 ` Juanma Barranquero
2008-12-10 18:30 ` Stefan Monnier
2008-12-10 18:47 ` Juanma Barranquero
2008-12-11 2:07 ` Stefan Monnier
2008-12-11 16:30 ` Juanma Barranquero
2008-12-11 18:47 ` Stefan Monnier
2008-12-12 0:40 ` Juanma Barranquero
2008-12-12 4:51 ` Stefan Monnier
2008-12-12 8:19 ` Juanma Barranquero
2008-12-12 18:49 ` Stefan Monnier
2008-12-12 20:20 ` Juanma Barranquero
2008-11-23 3:58 ` Stefan Monnier
2008-11-23 3:59 ` Stefan Monnier
2008-11-23 4:12 ` Juanma Barranquero
2008-11-23 5:19 ` Stefan Monnier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=18728.5963.672940.47287@a1ihome1.kph.uni-mainz.de \
--to=ulm@kph.uni-mainz.de \
--cc=eliz@gnu.org \
--cc=emacs-devel@gnu.org \
--cc=lekktu@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).