Re: [Xenomai-help] pipe fun

[Philippe Gerum <rpm@xenomai.org>]

Dmitry Adamushko wrote:
> Ignacio García Pérez <iggarpe@domain.hid> wrote on 21.11.2005 12:24:57:
> 
>  > Dmitry Adamushko wrote:
>  >
>  > >            /* Return buffer is too small - message is lost. */
>  > >            ret = -ENOSPC; <---- That's the error you are getting.
>  > >
>  > Maybe "No space left on device" is a bit misleading. Wouldn't ENOMEM fit
>  > better? (or event EINVAL)
>  >
> 
> Actually, looking now at the linux sources, -ENOSPC is used for 
> describing the same reason (buffer is not big enough) in some places; 
> although there is, at least, one more value -ENOBUFS that's used for the 
> same reason.
> 
> #define ENOSPC          28      /* No space left on device */
> #define ENOBUFS         105     /* No buffer space available */
> 
> So it looks like both may be used in the same context but, I guess, a 
> definition of -ENOBUFS is less confusing.
> 
> 

Let's fix this.

> ---
> Best regards,
> Dmitry
> 
> 
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-- 

Philippe.