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From: Henrik Ahlgren <pablo@seestieto.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 43226@debbugs.gnu.org
Subject: bug#43226: 28.0.50; Running Tramp tests on MS-Windows leaves zombie processes on the remote
Date: Tue, 25 Oct 2022 16:56:37 +0300	[thread overview]
Message-ID: <871qqwhuqy.fsf@seestieto.com> (raw)
In-Reply-To: <838rl4p2ik.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 25 Oct 2022 14:26:59 +0300")

Eli Zaretskii <eliz@gnu.org> writes:

> I don't know.  If this is about remote Git processes, then
> process-send-eof sends EOF via the network connection, doesn't it?  If
> so, the network-connection implementation of process-send-eof works on
> MS-Windows like it works on any other system: we call 'shutdown'.

Indeed – when you work with remote git working trees over Tramp and want
to stage individual hunks from the Magit interface, it will run "git
apply -" (with a bunch of extra parameters) and attempts to send the
patches over to standard in. This, unlike staging a whole file (which
simply does "git add <file>"), hangs your whole Emacs session until you
hit C-g.

Consider this example that seems to work fine (no cmdproxy involved):

(let ((start-file-process "eoftest" (get-buffer-create "*eoftest*")
			  "ssh" "<hostname>" "cat"))
  (sit-for 10)
  (process-send-string sshz "foo")
  (sit-for 5)
  (process-send-eof sshz))

vs this that hangs, leaving cat running forever:

(let ((default-directory "/sshx:<hostname>:/home/my/git/dir")
      (sshz start-file-process "eoftest" (get-buffer-create "*eoftest*")
			  "cat"))
  (sit-for 10)
  (process-send-string sshz "foo")
  (sit-for 5)
  (process-send-eof sshz))

The cat process does not even seem to receive any input ("foo") I trace
it in the remote machine.

ps. I wonder why my emails are not appearing in debbugs?





  reply	other threads:[~2022-10-25 13:56 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-05 16:38 bug#43226: 28.0.50; Running Tramp tests on MS-Windows leaves zombie processes on the remote Eli Zaretskii
2020-09-05 19:04 ` bug#43226: Fwd: bug#26911: 25.2; eshell "cd .." doesn't work correctly with TRAMP Michael Albinus
2020-09-05 19:04 ` Michael Albinus
2020-09-05 19:16   ` bug#43226: 28.0.50; Running Tramp tests on MS-Windows leaves zombie processes on the remote Michael Albinus
2020-09-05 19:25     ` Eli Zaretskii
2020-09-06  8:49       ` Michael Albinus
2020-09-06 15:14         ` Eli Zaretskii
2020-09-06 15:54           ` Michael Albinus
2020-09-06 16:07             ` Eli Zaretskii
2022-10-25  9:39               ` Henrik Ahlgren
2022-10-25 11:26                 ` Eli Zaretskii
2022-10-25 13:56                   ` Henrik Ahlgren [this message]
2022-10-25 16:49                     ` Michael Albinus
2022-10-25 19:17                     ` Eli Zaretskii
2022-10-26 11:34                       ` Henrik Ahlgren
2022-10-26 12:01                         ` Eli Zaretskii
2022-10-26 14:15                           ` HA
2022-10-29 14:48                             ` Michael Albinus

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