X-Recipient: archive-cygwin AT delorie DOT com
X-Spam-Check-By: sourceware.org
Date: Thu, 23 Sep 2010 10:11:40 -0400
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Reading D-Bus messages
Message-ID: <20100923141140.GB13663@ednor.casa.cgf.cx>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <878w2tx6gk DOT fsf AT gmx DOT de> <4C9A493F DOT 4050701 AT cornell DOT edu> <874odhyliu DOT fsf AT gmx DOT de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <874odhyliu.fsf@gmx.de>
User-Agent: Mutt/1.5.20 (2009-06-14)
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Precedence: bulk
List-Id: <cygwin.cygwin.com>
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

On Thu, Sep 23, 2010 at 09:19:37AM +0200, Michael Albinus wrote:
>Ken Brown <kbrown AT cornell DOT edu> writes:
>
>> Hi Michael,
>
>Hi Ken,
>
>>> I do not understand all details of keyboard.c. Is there something I need
>>> to set in order to urge the call of xd_read_queued_messages (via
>>> gobble_input)? Or do I need to suppress further polling? What is the
>>> difference for Emacs running with cygwin, compared with the GNU/Linux case?
>>>
>>> Btw, when I call xd_read_queued_messages inside xd_pending_messages,
>>> everything works fine also with cygwin. But I guess this isn't the
>>> correct solution.
>>
>> I don't know enough to attempt an answer.  Is there any chance you
>> could write a small self-contained program that exhibits the problem?
>> If so, there's a chance someone on the Cygwin list could help.
>
>The problem seems to be how gobble_input is called in kbd_buffer_get_event
>(keyboard.c):
>
>/* Note SIGIO has been undef'd if FIONREAD is missing.  */
>#ifdef SIGIO
>      gobble_input (0);
>#endif /* SIGIO */
>
>SIGIO is undefined, and gobble_input is not called under cygwin
>therefore. If I remove this conditional directive, D-Bus connections in
>Emacs work fine! What is the reason, that SIGIO is undefined under cygwin?

Because the functionality is not implemented.

cgf

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple