Re: win32 open patch for held unlink

D.J. Heap wrote:
> Claudio Natoli wrote:
> >>Agreed, we still need dirmod.c in case someone has opened it using a
> >
> > non-unix mode.
> >
> > Ok. Wanted to make sure I was on the same page.
> >
> >
> >
> >>My only question was whether this new mode makes rename
> >>possible on a target file opened by another backend.
> >
> >
> > Looks good. Wrote a pair of 2 liner driver programs to test. Renaming fails
> > when the file is open()'d, but proceeds correctly when win32_open()'d.
>
>
> I've run into lots of trouble with 3rd party programs opening any files
> that change on the system and locking them down.  For example, real-time
> virus scanners, indexing software, and some builtin Win32 service that I
> haven't pinpointed yet (it runs under a generic svchost.exe on XP).
> These extremely annoying programs do not play nice and use
> FILE_SHARE_DELETE, at least not in my experience.
>
> There are large threads about this problem on the Subversion mailing
> list (search for 'access denied') and some mentions of it on the CVSNT
> mailing list, I believe.
>
> Subversion ended up with a looping hack for Win32, at least until
> something better is found.

We are going to use Claudio's fix, and do looping if the rename/unlink
fails, so I think we have it covered as best we can.

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