From: Ken Brown <kbrown@cornell.edu>
To: "Jan Djärv" <jan.h.d@swipnet.se>
Cc: Eli Zaretskii <eliz@gnu.org>,
Michael Albinus <michael.albinus@gmx.de>,
emacs-devel <emacs-devel@gnu.org>
Subject: Re: Reading D-Bus messages
Date: Sun, 26 Sep 2010 14:24:54 -0400 [thread overview]
Message-ID: <4C9F8FF6.4050904@cornell.edu> (raw)
In-Reply-To: <4C9F7563.3090608@swipnet.se>
On 9/26/2010 12:31 PM, Jan Djärv wrote:
>
>
> Michael Albinus skrev 2010-09-25 22.54:
>> Jan Djärv<jan.h.d@swipnet.se> writes:
>>
>>>> If I test it in a non-X11 terminal, arriving D-Bus messages are
>>>> recognised only after pressing a character on the keyboard. So at least
>>>> an additional trigger is missing to handle this event in time.
>>>
>>> This sounds like a bug. I'll have a look. Is this the same emacs
>>> binary for X and non-X you are running?
>>
>> Yes.
>>
>>> I don't understand why there is #ifdef subprocess around
>>> add/delete_keyboard_wait_descriptor, but it should not matter.
>>
>> For testing, I use the example in (info "(dbus) Receiving Method Calls")
>> In the non-X test case, you must call dbus-send from another terminal,
>> with the same $DBUS_SESSION_BUS_ADDRESS set.
>>
>
> Ok, I checked in several changes. There where at least two bugs.
> First dbusbind didn't process all messages, just one. So things didn't work
> well when DBUS had read more than one message into its queue.
> This was masked by another bug in xg_select, file descriptors where wrongly
> indiocated to be read when they where not. This made things work in X, but
> not in a terminal. This bug I fixed in the emacs-23 branch.
>
> I went ahead and added a more general file descriptor handling in process.c,
> where you can add a file descriptor for reading or writing and get a callback
> when I/O is possible. I then modified dbusbind to use that so writes also are
> asynchronous. If the recevier wasn't reading and Emacs writes a lot of DBus
> messages, a hang could occur (not that it is very likely, dbus isn't made for
> passing a lot of data around).
>
> So please try this version.
Works for me in Cygwin. Thanks.
Ken
next prev parent reply other threads:[~2010-09-26 18:24 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-22 13:18 Reading D-Bus messages Michael Albinus
2010-09-22 18:21 ` Ken Brown
2010-09-23 7:19 ` Michael Albinus
2010-09-23 12:16 ` Ken Brown
2010-09-23 13:42 ` Michael Albinus
2010-09-23 14:26 ` Ken Brown
2010-09-23 14:46 ` Michael Albinus
2010-09-23 20:49 ` Ken Brown
2010-09-23 21:03 ` Eli Zaretskii
2010-09-24 6:30 ` Michael Albinus
2010-09-24 8:18 ` Eli Zaretskii
2010-09-24 11:24 ` Michael Albinus
2010-09-24 14:28 ` Jan Djärv
2010-09-24 15:10 ` Michael Albinus
2010-09-24 15:31 ` Eli Zaretskii
2010-09-24 21:11 ` Michael Albinus
2010-09-25 7:19 ` Jan Djärv
2010-09-25 16:52 ` Michael Albinus
2010-09-25 18:04 ` Jan Djärv
2010-09-25 20:54 ` Michael Albinus
2010-09-26 16:31 ` Jan Djärv
2010-09-26 18:24 ` Ken Brown [this message]
2010-09-26 18:38 ` Michael Albinus
2010-09-26 19:17 ` Jan Djärv
2010-09-27 15:37 ` Michael Albinus
2010-09-27 19:36 ` Ken Brown
2010-09-27 21:23 ` Michael Albinus
2010-09-28 2:47 ` Ken Brown
2010-09-28 13:47 ` Michael Albinus
2010-09-25 21:46 ` Ken Brown
2010-09-26 0:51 ` Ken Brown
2010-09-26 6:43 ` Michael Albinus
2010-09-24 13:20 ` Ken Brown
2010-09-24 13:24 ` Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2009-08-12 9:43 Michael Albinus
2009-08-12 10:18 ` YAMAMOTO Mitsuharu
2009-08-12 10:43 ` Michael Albinus
2009-08-12 11:47 ` YAMAMOTO Mitsuharu
2009-08-15 19:16 ` Michael Albinus
2009-08-16 0:09 ` YAMAMOTO Mitsuharu
2009-08-16 12:30 ` Michael Albinus
2009-08-17 1:33 ` YAMAMOTO Mitsuharu
2009-08-17 4:05 ` Daniel Pittman
2009-08-18 15:24 ` Michael Albinus
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