Re: vacuum as flags in PGPROC

Heikki Linnakangas wrote:
> Alvaro Herrera wrote:
> > I did it that way (i.e. added locking) and then realized that it
> > shouldn't really be a problem, because the only one who can be setting
> > vacuum flags is the process itself. Other processes can only read the
> > flags.
>
> It would still be a problem if there was any other fields that were
> updated by other processes, adjacent to the vacuum flags. I don't think
> that's the case, however.

Yeah, that's not the case currently. Tom is right in that it's fragile
if we ever change the definition so that there is such a flag. Maybe
this is solved by adding a comment however.

--
Alvaro Herrera http://www.amazon.com/gp/registry/5ZYLFMCVHXC
Jude: I wish humans laid eggs
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