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From: James Thomas via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: Dima Kogan <dima@secretsauce.net>,
	49954@debbugs.gnu.org, 60534@debbugs.gnu.org
Subject: bug#60534: 28.2; Forbidden reentrant call of Tramp
Date: Tue, 17 Dec 2024 18:41:53 +0530	[thread overview]
Message-ID: <86bjxafo86.fsf@gmx.net> (raw)
In-Reply-To: <87o71an24v.fsf@gmx.de> (Michael Albinus's message of "Tue, 17 Dec 2024 09:29:36 +0100")

Michael Albinus wrote:

> Not so simple.

> ...

> And it isn't clear to me how to keep two connections in sync, if (for
> example) the environment changes in one of the connections. Be it an
> environment variable, the current directory, the availability of a
> temp file, you name it.

And here was I thinking that Tramp was mostly remote-state-less beyond
the handshake...

> There is a serious overhead when opening a new connection, due to the
> handshaking actions.

OK; I misremembered for a moment that it was beyond any ControlPersist.

> But yes, nobody has tried it yet. My preference is to use threads, so
> that one command in a process filter could wait until another command
> in the main thread has finished, as example. But the crucial point is,
> that you must activate threads in the beginning of a connection. When
> you detect, that there is a forbidded reentrant call, it is too late
> to activate threads.

Ah, crucial; but not a blocker, I suppose.

Thank you for the effort in explaining, Michael.

Regards,
James





  reply	other threads:[~2024-12-17 13:11 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-09  9:08 bug#49954: 28.0.50; TRAMP: cannot kill child processes: "Forbidden reentrant call of Tramp" Dima Kogan
2021-08-09 12:33 ` Michael Albinus
2021-08-10  4:26   ` Dima Kogan
2021-08-10 13:52     ` Michael Albinus
2021-09-11  8:32       ` Dima Kogan
2021-09-11 12:19         ` Michael Albinus
2021-09-15  0:39           ` Dima Kogan
2021-09-15 19:25             ` Dima Kogan
2021-09-16 15:45               ` Michael Albinus
2021-09-16 15:42             ` Michael Albinus
2021-09-16 17:17               ` Dima Kogan
2021-09-16 17:36                 ` Michael Albinus
2021-09-18 20:18                   ` Dima Kogan
2021-09-18 20:50                     ` Michael Albinus
2024-12-16 22:35           ` bug#49954: bug#60534: 28.2; Forbidden reentrant call of Tramp James Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-12-17  8:29             ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-12-17 13:11               ` James Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
  -- strict thread matches above, loose matches on Subject: below --
2023-01-03 20:52 Georgi Danov
2023-02-17  9:42 ` Michael Albinus

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