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From:	nyc4bos AT aol DOT com
Subject:	Re: emacs-23.2-3 DBus hangs
Date:	Sat, 23 Oct 2010 21:09:04 -0400
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Ken Brown <kbrown AT cornell DOT edu> writes:

> On 10/23/2010 12:22 AM, nyc4bos AT aol DOT com wrote:
>> Just doing a:
>>
>>     (require 'dbus)
>>
>> hangs Cygwin emacs-23.2-3
>>
>> I can only `C-g' and abort emacs.
>
> Works fine for me.  Do you have the system bus and session bus running
> before you start emacs?  If so, please say exactly how you're starting
> the session bus and how you're starting emacs.

OK, it looks like loading dbus.el is where it fails when following
the instructions given in this URL:

    http://cygwin.com/ml/cygwin/2010-08/msg00892.html

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
unix:path=/tmp/dbus-dlr0QTU52y,guid=2ed2e65c8040f348d71319f94cc36ca0
$ xterm &  # This gives me a new xterm with "DBUS_SESSION_BUS_ADDRESS"
set.

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)
":1.0"

load-file /usr/share/emacs/23.2/lisp/net/dbus.el.gz

Hangs emacs after the "done" message...


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