Re: [Xen-devel] Zero-sized reads from XenBus block

[Wei Liu <wei.liu2@xxxxxxxxxx>]

CC Linux kernel and FreeBSD maintainers.

On Wed, Mar 02, 2016 at 12:29:26AM +0300, Sergei Lebedev wrote:
> Hi list,
> 
> I’m not sure if this is the expected behaviour, but it seems zero-sized reads 
> from /dev/xen/xenbus block. Here’s sample code in Python
> 
>     import os
>     
>     fd = os.open("/dev/xen/xenbus", os.O_RDWR)
>     os.read(fd, 0)  # Blocks.
> 
> The issue is not language-specific, similar code in C blocks as well.
> 
> Regards,
> Sergei
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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