OT: sanity check

[Kenneth Brody]

Quoting Jay R. Ashworth (Wed, 6 Aug 2008 10:32:29 -0400):

> On Wed, Aug 06, 2008 at 10:14:33AM -0400, Richard Kreiss wrote:
>> I haven't found an answer to this message.  Hope one of you may know.
>>
[... client was getting a "sanity check" message ...]
>> My guess is that the computer is having memory problems.  Maybe it has
>> Alzheimer's. :)
>
> I'll assume, because you don't actually say, that the "sanity check"
> message is the one you're asking about.
>
> A 'sanity check' is the term used for programmers to describe what you
> do in code to make sure that what you're being asked to do next isn't
> crazy.
>
> unlink(n) would be a good example of something where a sanity check is
> called for: if n=2, your entire filesystem is going away.
[...]

(I assume you mean at the kernel level, since at the application level,
unlink takes a filename, not an i-node number.)

Or, within filePro, attempting to split an index node at a negative offset,
for example.

Without the exact message, there's no way to know where it came from.

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