Re: Wonky rename semantics on Windows

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От Thomas Munro
Тема Re: Wonky rename semantics on Windows
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Msg-id CAEepm=05gEKW9ir1Po5XEn2_Y9p7Sv37h+vsWvfKhmE-1LvGCg@mail.gmail.com
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Ответ на Wonky rename semantics on Windows  (Thomas Munro <thomas.munro@enterprisedb.com>)
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On Wed, Nov 21, 2018 at 5:43 PM Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> Googling led me to some recently posted clues on SO and elsewhere
> about a flag FILE_RENAME_FLAG_POSIX_SEMANTICS which can be used with
> SetFileInformationByHandle(), that wasn't mentioned in the earlier
> -hackers threads.  I tried it on AppVeyor.  It appears to work, even
> when both source and target file name exist and both files currently
> have an open handle.  Perhaps they needed this for the Windows 10 WSL
> stuff?

Erm, looks like I posted too soon.  My 5 minute hack didn't check the
return code correctly (it's zero for failure).  Oh well.  I don't
actually plan to investigate this any further myself, being
non-Windows-enabled, but it looks like there might still be something
promising here.

--
Thomas Munro
http://www.enterprisedb.com


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