Re: tramp "too many open files" [Re: bug#56606

[Michael Albinus <michael.albinus@gmx.de>]

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Thierry Volpiatto <thievol@posteo.net> writes:

> Hello Michael,

Hi Thierry,

>> And also, tramp-archive-file-name-handler checks in case of a file name
>> "/path/to/file.tar/", whether "/path/to/file.tar" is a directory.
>> In this case, tramp-archive also ceases to work.
>
> Yes, the problem we had in Helm was with while-no-input, when a check in
> done under it (file-directory-p or whatever) a dbus event is sent and
> while-no-input fails, we have to let bind while-no-input-ignore-events
> with the new dbus-event added to fix the problem, perhaps tramp-archive
> should take care of this?

Indeed. dbus-event, file-notify and thread-event have been added to
while-no-input-ignore-events in Emacs 29.  What about the following
patch?


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diff --git a/lisp/tramp-gvfs.el b/lisp/tramp-gvfs.el
index 7323374c..0d23f5d8 100644
--- a/lisp/tramp-gvfs.el
+++ b/lisp/tramp-gvfs.el
@@ -872,6 +872,14 @@ arguments to pass to the OPERATION."
    (tramp-register-foreign-file-name-handler
     #'tramp-gvfs-file-name-p #'tramp-gvfs-file-name-handler)))

+;; Event type `dbus-event' is added to `while-no-input-ignore-events'
+;; in Emacs 29.1.  If it is missing, some packages like Helm report
+;; problems.  So we add it here.
+(when (and (featurep 'dbusbind)
+	   (not (memq 'dbus-event while-no-input-ignore-events)))
+  (setq while-no-input-ignore-events
+	(cons 'dbus-event while-no-input-ignore-events)))
+
 \f
 ;; D-Bus helper function.


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> Thanks.

Best regards, Michael.