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bug#9581: 24.0.50; dbus-unregister-object fails if service is nil
From: |
Julien Danjou |
Subject: |
bug#9581: 24.0.50; dbus-unregister-object fails if service is nil |
Date: |
Sun, 25 Sep 2011 13:38:21 +0200 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.50 (gnu/linux) |
On Sat, Sep 24 2011, Michael Albinus wrote:
>> The patch is not enough. It fixes the precise case I reported, but this
>> fails now:
>>
>> (setq db
>> (dbus-register-signal :session "some.service"
>> "/org/gtk/Private/RemoteVolumeMonitor"
>> "org.gtk.Private.RemoteVolumeMonitor"
>> "VolumeAdded"
>> 'identity))
>> (dbus-unregister-object db)
>
> I've played exactly this example (replacing "some.service" by
> "org.gtk.Private.GduVolumeMonitor" in order to have an existing
> service). No problem.
Indeed. It works fine with org.gtk.Private.GduVolumeMonitor as service,
but with "some.service" it fails. Why?
>> Debugger entered--Lisp error: (dbus-error "Match rule has a key with no
>> subsequent '=' character")
>> dbus-call-method(:session "org.freedesktop.DBus" "/org/freedesktop/DBus"
>> "org.freedesktop.DBus" "RemoveMatch" "Z")
>
> Where does the "Z" comes from? There will never be such a rule, added by
> AddMatch.
It's not a Z. One of our MUA altered this.
On the first try it's " ^H\330"
On the second try it's "Z^B"
On the third try it's "\300#\264"
…
(I register then unregister to make a try)
> Did you compile also dbusbind.c before testing?
Oh yes I'm sure of that. :)
> Could you apply (dbus-list-hash-table) before calling
> `dbus-unregister-object', and show the result?
Yeah. I start emacs-snapshot, then register then call
`dbus-list-hash-table', it messages:
(((:session "org.freedesktop.Notifications" "ActionInvoked")
(":1.129"
"org.freedesktop.Notifications" "/org/freedesktop/Notifications"
notifications-on-action-signal
"type='signal',interface='org.freedesktop.Notifications',member='ActionInvoked',sender=':1.129',path='/org/freedesktop/Notifications'"))
((:session "org.freedesktop.Notifications" "NotificationClosed")
(":1.129" "org.freedesktop.Notifications"
"/org/freedesktop/Notifications" notifications-on-closed-signal
"type='signal',interface='org.freedesktop.Notifications',member='NotificationClosed',sender=':1.129',path='/org/freedesktop/Notifications'"))
((:session "org.gtk.Private.RemoteVolumeMonitor" "VolumeAdded")
(""
"some.service" "/org/gtk/Private/RemoteVolumeMonitor" identity
"")))
In case one of our MUA will change the last string on the last line it
shows:
"^A\202^F^B^D^A"
Then I call unregister it yells:
Debugger entered--Lisp error: (dbus-error "Unable to append argument" "\202")
dbus-call-method(:session "org.freedesktop.DBus" "/org/freedesktop/DBus"
"org.freedesktop.DBus" "RemoveMatch" "\202")
Where the last string is obviously the same as I talked about above. :)
--
Julien Danjou
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- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Julien Danjou, 2011/09/22
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/23
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Julien Danjou, 2011/09/23
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/24
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Julien Danjou, 2011/09/24
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/24
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil,
Julien Danjou <=
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/25
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Julien Danjou, 2011/09/25
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/25
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Julien Danjou, 2011/09/26
- bug#9581: 24.0.50; dbus-unregister-object fails if service is nil, Michael Albinus, 2011/09/26