Re: kern/52196

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Apr 27, 2017 at 10:25:01AM +0000, Nathanial Sloss wrote:
> The following reply was made to PR kern/52196; it has been noted by GNATS.
> 
> From: Nathanial Sloss <nat%netbsd.org@localhost>
> To: gnats-bugs%netbsd.org@localhost
> Cc: 
> Subject: Re: kern/52196
> Date: Thu, 27 Apr 2017 20:19:39 +1000
> 
>  I think it would return EWOULDBLOCK if the write was larger.

But is that expected ? I would expect the write syscall to return
immediately in all case when the fd is set to non-blocking I/O
>  
>  What I noticed with a kernel with the old audio code was that there was a 
>  delay of a second or so before sound would start to play.
>  
>  I'm guessing that even with old audio it would take some time before returning 
>  EWOULDBLOCK.

or maybe it's just that the buffer has been filled with 1s of silence,
and it has to drain ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--