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Extended error reporting

Extended error reporting

Posted Feb 19, 2010 4:23 UTC (Fri) by PaulWay (subscriber, #45600)
Parent article: Extended error reporting

I'd like to put a mention in here of libexplain - - that Peter Miller has worked on for many years. It's purpose is somewhat different - you use it in your code (e.g. 'explain_open') in the place of your regular system calls, and if it fails it prints out a complete message why it failed. This even breaks down to which directory or file was missing in the path you've given to open.

But I think Peter's experience and general approach here would be invaluable as groundwork for making errors better in the kernel.

Have fun,


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