[vtk-developers] Python Wrapping fails in master build.
david.gobbi at gmail.com
Fri Sep 28 10:32:29 EDT 2018
On Thu, Sep 27, 2018 at 11:02 PM David Gobbi <david.gobbi at gmail.com> wrote:
> Thanks, Andrew. So now we know that errno is EACCES, which corresponds to
> a Windows filesystem error of ERROR_ACCESS_DENIED
> or ERROR_SHARING_VIOLATION. I strongly suspect the latter.
> So there are two options:
> 1) retry a few times (e.g. 5 times over 5 seconds), in the hope that the
> sharing violation will clear up, which it probably will because antivirus
> software only takes a fraction of a second to scan a small file.
> 2) write to a temporary file which is then renamed to ..Python.cxx (in
> which case the 'rename' operation has to retry if it encounters a sharing
> The latter is what CMake does (its "cmSystemTools::RenameFile()" function
> retries, so cmake doesn't seem to have any magic that makes retries
> I'm tempted to go with (1) due to its simplicity, and because if we used a
> random temporary file we'd have to find some way to remove that file if
> vtkWrapPython didn't exit cleanly.
Another option that might work:
3) If the output file already exists, then delete it with the Windows
DeleteFile() function before calling fopen() to create a new file with the
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the vtk-developers