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

[Sergei Lebedev <sergei.a.lebedev@xxxxxxxxx>]

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
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