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xen-devel
[Xen-devel] Re: [Qemu-devel] [PATCH 2/2] open ptys in non-blocking mode.
Kevin Wolf writes ("Re: [Qemu-devel] [PATCH 2/2] open ptys in non-blocking
mode."):
> Ian, we need something like this for qemu-xen (or ioemu-remote or
> whatever it's called now). Currently you must attach to the console of a
> domain, otherwise it won't boot up and keep hanging in a blocking write
> because the buffer is full.
Yes, that's right. See my other messages, including the patches which
will be arriving shortly ...
> The old ioemu had a hack in unix_write (doing a select before the write)
> which you didn't merge into qemu-xen. In fact, I noticed that you even
> removed that function entirely and I'm wondering why.
We have qemu_{read,write} instead, as I wrote in January. Those make
it easy to have good error handling. Sadly my patch from January
wasn't accepted upstream.
Ian.
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