* [Xenomai] rt_dev_write function not calling back RTDM driver
@ 2015-02-14 9:48 JAY KOTHARI
2015-02-14 12:37 ` Gilles Chanteperdrix
0 siblings, 1 reply; 2+ messages in thread
From: JAY KOTHARI @ 2015-02-14 9:48 UTC (permalink / raw)
To: xenomai
Hello,
What may be problem that my rt_dev_write function is not calling
back my RTDM driver. rt_dev_open and rt_dev_close are working
properly. rt_dev_write function is returning size -1.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Xenomai] rt_dev_write function not calling back RTDM driver
2015-02-14 9:48 [Xenomai] rt_dev_write function not calling back RTDM driver JAY KOTHARI
@ 2015-02-14 12:37 ` Gilles Chanteperdrix
0 siblings, 0 replies; 2+ messages in thread
From: Gilles Chanteperdrix @ 2015-02-14 12:37 UTC (permalink / raw)
To: JAY KOTHARI; +Cc: xenomai
On Sat, Feb 14, 2015 at 03:18:27PM +0530, JAY KOTHARI wrote:
> Hello,
> What may be problem that my rt_dev_write function is not calling
> back my RTDM driver. rt_dev_open and rt_dev_close are working
> properly. rt_dev_write function is returning size -1.
-1 is -EPERM
This may happen when trying to use an RTDM descriptor from a non
real-time thread.
--
Gilles.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2015-02-14 9:48 [Xenomai] rt_dev_write function not calling back RTDM driver JAY KOTHARI
2015-02-14 12:37 ` Gilles Chanteperdrix
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