emacs-23.2-3 DBus hangs
Sun Oct 24 14:55:00 GMT 2010
On 10/24/2010 4:59 AM, Michael Albinus wrote:
> email@example.com writes:
>> OK, it looks like loading dbus.el is where it fails when following
>> the instructions given in this URL:
>> I guess this step is not necessary but emacs shouldn't hang.
>> Here's the steps I followed:
>> $ eval `dbus-launch --auto-syntax`
>> $ echo $DBUS_SESSION_BUS_ADDRESS
>> $ xterm& # This gives me a new xterm with "DBUS_SESSION_BUS_ADDRESS"
>> In new xterm:
>> $ dbus-monitor
>> signal sender=org.freedesktop.DBus -> dest=:1.0 serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=NameAcquired
>> string ":1.0"
>> method call sender=:1.0 -> dest=org.freedesktop.DBus serial=3 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=AddMatch
>> string "type='method_call'"
>> method call sender=:1.0 -> dest=org.freedesktop.DBus serial=4 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=AddMatch
>> string "type='method_return'"
>> method call sender=:1.0 -> dest=org.freedesktop.DBus serial=5 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=AddMatch
>> string "type='error'"
>> In first xterm:
>> $ emacs&
>> In that emacs:
>> (dbus-get-unique-name :session)
>> load-file /usr/share/emacs/23.2/lisp/net/dbus.el.gz
>> Hangs emacs after the "done" message...
> Likely, you didn't start the system bus (the scenario is only about the
> session bus).
> I've committed a patch to the Emacs-23 branch which ought to handle this
> 2010-10-08 Michael Albinus<firstname.lastname@example.org>
> * dbusbind.c (xd_get_dispatch_status): Return a Lisp_Object.
> (xd_pending_messages): Catch xd_get_dispatch_status calls.
> I don't know, whether this has reached already in Cygwin's Emacs
> package. However, if you are using D-Bus you shall ensure that both the
> system and session buses are running.
That patch has not yet been applied to the Cygwin build. I'm inclined
to let it wait for Emacs 23.3, unless I need to issue a new release of
Emacs for some other reason. The workaround (making sure that the
system bus is running) is easy enough.
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