> > You are correct. I didn't realized that after I check the shared memory
> > for the pid, another backend could start with the pid I was checking and
> > create a sort file. The sort code doesn't do O_EXCL,
>
> ... quite deliberately ... you might want to add a comment to that
> effect in OpenTemporaryFile.
Done.
--
Bruce Momjian | http://candle.pha.pa.us
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