From: Michael Albinus <michael.albinus@gmx.de>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: bob@rattlesnake.com, emacs-devel@gnu.org
Subject: Re: Emacs tramp troubles with old Sun
Date: Thu, 08 Nov 2007 16:21:55 +0100 [thread overview]
Message-ID: <nqmytokbjg.fsf@alcatel-lucent.de> (raw)
In-Reply-To: <jwvhcjwdc4j.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Thu, 08 Nov 2007 09:52:54 -0500")
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> Would it be possible for Tramp to detect the "test: argument expected" error
> message and force a "cleanup-connection" at that point?
> [ and of course, do similar things wherever applicable: the idea is to try
> and detect when the cached properties become invalid, which will
> necessarily happen over time as machines get upgraded/replaced/... ]
Exactly the same idea I'm just thinking about. But one must ensure
there's no infloop - when "test" does not work, it could be another
reason but invalid cached values. One shall remember the reason for
calling cleanup-connection, and when the same problem appears again,
it's time to give up.
Another idea is to keep a counter for cached properties. After a while
(100 uses, 100 days, whatever) the values shall be recomputed, just in
case. Think about a changed default $PATH, where it isn't always an
obvious error with the old value, when new directories appear.
At least when "uname -s -r" returns a changed value, it is time to
expire the cached properties for that machine.
> -- Stefan
Best regards, Michael.
next prev parent reply other threads:[~2007-11-08 15:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-06 14:11 Emacs tramp troubles with old Sun Robert J. Chassell
2007-11-06 19:38 ` Michael Albinus
2007-11-07 1:24 ` Robert J. Chassell
2007-11-07 7:37 ` Michael Albinus
2007-11-07 10:08 ` Andreas Schwab
2007-11-07 10:30 ` Michael Albinus
2007-11-07 20:50 ` Michael Albinus
2007-11-07 21:27 ` Robert J. Chassell
2007-11-08 6:26 ` Michael Albinus
2007-11-08 11:12 ` Robert J. Chassell
2007-11-08 14:52 ` Stefan Monnier
2007-11-08 15:21 ` Michael Albinus [this message]
2007-11-12 20:23 ` Michael Albinus
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