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Re: FAT32 svn errors

From: D.J. Heap <djheap_at_dhiprovo.com>
Date: 2003-04-15 17:09:38 CEST

>>I don't know whether this is something that should be fixed in APR or
>Hmm. Looking at the code, APR is working correctly. So it seems like
>we're trying to rename over a file that we still have a handle to. I
>dunno why that would work in NTFS but not on FAT.

These are similar to the errors I was getting a while ago -- my setup
was Subversion 0.18 (I think), WinXP SP1 on a dual processor machine
with NTFS. It was fairly sporadic and I could only recreate it on my
dual processor machine. Using APR's code, I could not recreate the
problem in a test program, but I found that if I tweaked APR to use the
Win95 code block (Delete then MoveFile, instead of MoveFileEx) the
problem went away. It would also go away if I made a call to Sleep(1)
right before the MoveFileEx.

Since deleting or sleeping solved it for me at the time, I had ruled out
file handles being left open. My situation *was* slightly different,
though, in that I was getting 'access denied' errors, not 'handle in use
by another process', but that could be because of the different
filesystems, and I am 100% positive it was not a security problem.

In any case, I am now using Subversion 0.20.1 (and have gone back to the
original APR code) and I no longer have the problem, so haven't looked
into it any more.

It seemed to me like there was some fishy behavior in MoveFileEx, but I
could never prove it in a test setup.


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Received on Tue Apr 15 17:10:31 2003

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