* O_ASYNC not working on /dev/input/event* ?
@ 2010-02-03 8:56 Pavel Machek
2010-02-03 9:00 ` Dmitry Torokhov
0 siblings, 1 reply; 5+ messages in thread
From: Pavel Machek @ 2010-02-03 8:56 UTC (permalink / raw)
To: linux-input, dmitry.torokhov, dtor
HI!
I'm trying to use O_ASYNC on /dev/input/event* (getting SIGIO when key
is pressed), but so far no luck. Is it possible that O_ASYNC is not
implemented there?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: O_ASYNC not working on /dev/input/event* ?
2010-02-03 8:56 O_ASYNC not working on /dev/input/event* ? Pavel Machek
@ 2010-02-03 9:00 ` Dmitry Torokhov
2010-02-03 9:03 ` Dmitry Torokhov
2010-02-04 7:02 ` Pavel Machek
0 siblings, 2 replies; 5+ messages in thread
From: Dmitry Torokhov @ 2010-02-03 9:00 UTC (permalink / raw)
To: Pavel Machek; +Cc: linux-input
On Wed, Feb 03, 2010 at 09:56:00AM +0100, Pavel Machek wrote:
> HI!
>
> I'm trying to use O_ASYNC on /dev/input/event* (getting SIGIO when key
> is pressed), but so far no luck. Is it possible that O_ASYNC is not
> implemented there?
You should be getting SIGIO when driver sends EV_SYN/SYN_REPORT...
--
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: O_ASYNC not working on /dev/input/event* ?
2010-02-03 9:00 ` Dmitry Torokhov
@ 2010-02-03 9:03 ` Dmitry Torokhov
2010-02-04 7:02 ` Pavel Machek
1 sibling, 0 replies; 5+ messages in thread
From: Dmitry Torokhov @ 2010-02-03 9:03 UTC (permalink / raw)
To: Pavel Machek; +Cc: linux-input
On Wed, Feb 03, 2010 at 01:00:46AM -0800, Dmitry Torokhov wrote:
> On Wed, Feb 03, 2010 at 09:56:00AM +0100, Pavel Machek wrote:
> > HI!
> >
> > I'm trying to use O_ASYNC on /dev/input/event* (getting SIGIO when key
> > is pressed), but so far no luck. Is it possible that O_ASYNC is not
> > implemented there?
>
> You should be getting SIGIO when driver sends EV_SYN/SYN_REPORT...
BTW, see here:
http://patchwork.kernel.org/patch/70736/
--
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: O_ASYNC not working on /dev/input/event* ?
2010-02-03 9:00 ` Dmitry Torokhov
2010-02-03 9:03 ` Dmitry Torokhov
@ 2010-02-04 7:02 ` Pavel Machek
2010-02-04 7:09 ` Dmitry Torokhov
1 sibling, 1 reply; 5+ messages in thread
From: Pavel Machek @ 2010-02-04 7:02 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: linux-input
> On Wed, Feb 03, 2010 at 09:56:00AM +0100, Pavel Machek wrote:
> > HI!
> >
> > I'm trying to use O_ASYNC on /dev/input/event* (getting SIGIO when key
> > is pressed), but so far no luck. Is it possible that O_ASYNC is not
> > implemented there?
>
> You should be getting SIGIO when driver sends EV_SYN/SYN_REPORT...
Thanks, it works now. Signal setup needs to be before fcntl().
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: O_ASYNC not working on /dev/input/event* ?
2010-02-04 7:02 ` Pavel Machek
@ 2010-02-04 7:09 ` Dmitry Torokhov
0 siblings, 0 replies; 5+ messages in thread
From: Dmitry Torokhov @ 2010-02-04 7:09 UTC (permalink / raw)
To: Pavel Machek; +Cc: linux-input
On Thu, Feb 04, 2010 at 08:02:53AM +0100, Pavel Machek wrote:
> > On Wed, Feb 03, 2010 at 09:56:00AM +0100, Pavel Machek wrote:
> > > HI!
> > >
> > > I'm trying to use O_ASYNC on /dev/input/event* (getting SIGIO when key
> > > is pressed), but so far no luck. Is it possible that O_ASYNC is not
> > > implemented there?
> >
> > You should be getting SIGIO when driver sends EV_SYN/SYN_REPORT...
>
> Thanks, it works now. Signal setup needs to be before fcntl().
>
Cool. Thanks for letting me know.
--
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-02-04 7:09 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2010-02-03 8:56 O_ASYNC not working on /dev/input/event* ? Pavel Machek
2010-02-03 9:00 ` Dmitry Torokhov
2010-02-03 9:03 ` Dmitry Torokhov
2010-02-04 7:02 ` Pavel Machek
2010-02-04 7:09 ` Dmitry Torokhov
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