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xen-devel
Re: [Xen-devel] [PATCH 0 of 4] libxl: improve error handling when device
Ian Campbell writes ("[Xen-devel] [PATCH 0 of 4] libxl: improve error handling
when device model fails to start early on"):
> Currently when the device model fails to start there is a delay until
> we timeout and report error, some users have misinterpretted this
> delay as a hang.
This is disappointing. I fixed exactly this problem about 6 months
ago.
> Secondly we can propagate child failures to the parent much quicker by
> adding a pipe between the intermediate process (which blocks in
> waitpid() on the child until libxl__spawn_detach is called or the
> child exits) to allow failure to be reported immediately and with a
> slightly more specific error message.
And this is what I thought I'd done.
Ian.
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