* suitable IOCTL error code when device is in state IOCTL cannot performed
@ 2012-08-12 16:38 Antti Palosaari
2012-08-12 17:48 ` Mauro Carvalho Chehab
0 siblings, 1 reply; 2+ messages in thread
From: Antti Palosaari @ 2012-08-12 16:38 UTC (permalink / raw)
To: linux-media
Subject says it all. Which one error value is most suitable / generic ?
Here are few ones I found which could be possible:
#define EPERM 1 /* Operation not permitted */
#define EAGAIN 11 /* Try again */
#define EACCES 13 /* Permission denied */
#define EBUSY 16 /* Device or resource busy */
#define ENODATA 61 /* No data available */
#define ECANCELED 125 /* Operation Canceled */
regards
Antti
--
http://palosaari.fi/
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: suitable IOCTL error code when device is in state IOCTL cannot performed
2012-08-12 16:38 suitable IOCTL error code when device is in state IOCTL cannot performed Antti Palosaari
@ 2012-08-12 17:48 ` Mauro Carvalho Chehab
0 siblings, 0 replies; 2+ messages in thread
From: Mauro Carvalho Chehab @ 2012-08-12 17:48 UTC (permalink / raw)
To: Antti Palosaari; +Cc: linux-media
Em 12-08-2012 13:38, Antti Palosaari escreveu:
> Subject says it all. Which one error value is most suitable / generic ?
>
> Here are few ones I found which could be possible:
>
> #define EPERM 1 /* Operation not permitted */
> #define EAGAIN 11 /* Try again */
> #define EACCES 13 /* Permission denied */
> #define EBUSY 16 /* Device or resource busy */
> #define ENODATA 61 /* No data available */
> #define ECANCELED 125 /* Operation Canceled */
IMHO, EAGAIN, EBUSY or ENODATA are the most pertinent ones.
Regards,
Mauro
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