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Re: [libvirt] [PATCH 02/33] Make all brXXX APIs raise errors, instead of returning errnos



On 11/03/2011 01:29 PM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange"<berrange redhat com>

Currently every caller of the brXXX APIs has to store the returned
errno value and then raise an error message. This results in
inconsistent error messages across drivers, additional burden on
the callers and makes the error reporting inaccurate since it is
hard to distinguish different scenarios from 1 errno value.


While making the message more exact, it could also make it more difficult to determine the context of the error. Sometimes it's useful to have both (a drop-down list with a stack trace embedded into each error message would be so nice to have sometimes :-)


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