win32 open patch for held unlink

For application to HEAD, following community review. [open.c destined for
src/port]

Win32 people: This has been kicked around on the thread for a bit, I've not
been able to break it, but am still uncomfortable that it appears a novel
solution. If you can see any reason why this approach should not be adopted,
speak up now (or forever hold your transactions?).

heers,
Claudio

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Claudio, how does this handle renames if the file is open by someone
else? Does this remove the need to loop over the rename?

---------------------------------------------------------------------------

Claudio Natoli wrote:
>
> For application to HEAD, following community review. [open.c destined for
> src/port]
>
> Win32 people: This has been kicked around on the thread for a bit, I've not
> been able to break it, but am still uncomfortable that it appears a novel
> solution. If you can see any reason why this approach should not be adopted,
> speak up now (or forever hold your transactions?).
>
> heers,
> Claudio
>
> ---
> Certain disclaimers and policies apply to all email sent from Memetrics.
> For the full text of these disclaimers and policies see
> <a
> href="http://www.memetrics.com/emailpolicy.html">http://www.memetrics.com/em
> ailpolicy.html</a>
>
>

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