From: Wolfgang Grandegger <wg@domain.hid>
To: Hadrien Caron <hadrien.caron@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] [xenomai-help] Error return with a4l_sync_write
Date: Mon, 21 Nov 2011 12:03:20 +0100 [thread overview]
Message-ID: <4ECA2FF8.7040406@domain.hid> (raw)
In-Reply-To: <CA+eKTkZ_ymqXx_Nc_9v1HRtYTqSjYqzdN56HCjzO+x14zcUwcg@domain.hid>
On 11/21/2011 11:44 AM, Hadrien Caron wrote:
> Hello to all !
>
> I have a small problem using a4l_sync_write : I am using it inside a
> program that should write on a digital port.
> The function a4l_sync_write returns a value of -38.
> But according to the documentation, there is only 3 possible error
> possibles :
> EINVAL = 22
> EFAULT = 14
> ENOMEM = 12
>
> So what is error 38 ? Is it missing from the documentation ? Or am I doing
> something wrong ?
With "http://www.xenomai.org/index.php/Resolving_Error_Codes" I get:
$ errno 38
#define ENOSYS 38 /* Function not implemented */
Wolfgang.
next prev parent reply other threads:[~2011-11-21 11:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-21 10:44 [Xenomai-help] [xenomai-help] Error return with a4l_sync_write Hadrien Caron
2011-11-21 11:03 ` Wolfgang Grandegger [this message]
2011-11-21 11:10 ` Hadrien Caron
2011-11-21 14:20 ` Gilles Chanteperdrix
2011-11-22 12:06 ` Alexis Berlemont
2011-11-22 12:33 ` Anders Blomdell
2011-11-22 13:43 ` Hadrien Caron
2011-11-22 22:33 ` Alexis Berlemont
2011-11-23 7:05 ` Anders Blomdell
2011-11-23 8:44 ` Gilles Chanteperdrix
2011-11-23 9:53 ` Hadrien Caron
2011-12-08 14:36 ` Hadrien Caron
2011-12-16 12:39 ` Hadrien Caron
2011-12-16 13:20 ` Gilles Chanteperdrix
2011-12-16 14:43 ` Anders Blomdell
2011-12-16 14:50 ` Gilles Chanteperdrix
2011-12-29 17:22 ` Hadrien Caron
2011-12-29 17:56 ` Gilles Chanteperdrix
2012-01-02 15:26 ` Hadrien Caron
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