Re: Windows 'Access Denied' errors was: Re: svn.collab.net is now running Subversion 0.23.

D.J. Heap wrote:

> Branko Čibej wrote:
>
>> Nonsense. Any system component may touch the files I create only in a
>> way that doesn't interfere with normal file handling semantics. I submit
>> that any filter drivers that are fiddling with those files are broken if
>> my user-mod app can detect them (via an access-denied status on move,
>> for example).
>
>
> Yes, this is the one big clue (it seems to me) that NTFS may be at
> fault...access denied is the return code, not sharing violation. I
> can only make access denied errors occur if the destination file is
> read-only or if I don't have permissions to one of the files. Sharing
> violation is the normal return code for 'something else is dorking
> with the file' type situations. Perhaps filter drivers can screw with
> that, though, I don't know...

Filter drivers can screw with anything they like. A very powerful tool
-- full protective clothing required, and your life insurance doesn't
cover it. :-)

> Anyway, immediately after getting a failure I can go look at the files
> -- the destination file is not read-only and I have full permissions
> on both. AND a simple retry works.

Exactly. That means there's a reace somewhere. Whether we can uncover it
using a simple testcase remains to be seen...

-- 
Brane Čibej   <brane_at_xbc.nu>   http://www.xbc.nu/brane/
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