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Re: rfc: fcntl() error reporting
On Fri, Aug 22, 2008 at 7:35 PM, David Holland
> Your test program exhibits undefined behavior because it asks the
> kernel to dereference an invalid pointer. EFAULT is therefore a
> perfectly legitimate result.
For what function?
I could agree if the called function is <a function with a pointer as
main arg>, f.e.
(I think the main argument for fcntl() may be file descriptor, or FD
and command pair.)
> (Although I'd argue that the process should also receive SIGSEGV.)
As you see no crash was there.
With Best Regards,
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