Neil Conway wrote:
> On Fri, Jul 19, 2002 at 08:07:52PM -0400, Bruce Momjian wrote:
> > Neil Conway wrote:
> > > On Fri, Jul 19, 2002 at 01:21:10PM -0400, Tom Lane wrote:
> > > > Why does this patch arbitrarily remove the #ifdefs and documentation
> > > > for USER_LOCKS? That seems quite unrelated to the stated purpose.
> > >
> > > I probably should have mentioned that -- it looked like dead code,
> > > and the behavior that it referred to (a loadable module called
> > > user-locks.c, which doesn't make sense to begin with) doesn't
> > > appear to exist anymore.
> >
> > Is it contrib/userlock/?
>
> Ah, thanks for pointing that out (I guess I was searching within src/).
>
> I suppose it can stay, although I'm not sure that it's very useful.
>
> Legal Question: the #ifdef USER_LOCKS code is only useful in conjunction
> with the contrib/userlock module, which is GPL'd. Would that mean that
> part of the backend "depends" upon GPL'd software in order to operate?
>
> I have no idea what the answer is, just curious...
Even with userlocks enabled, I don't think you have to use them to use
PostgreSQL, so you should be OK. Of course, as soon as you load the
userlocks module, you have GPL'ed yourself.
--
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