Re: [PATCHES] Reorganization of spinlock defines

Marc G. Fournier wrote:
>
>
> On Fri, 12 Sep 2003, Tom Lane wrote:
>
> > "Marc G. Fournier" <scrappy(at)postgresql(dot)org> writes:
> > >> Right, though I am not sure people will know _slow_ configuration vs.
> > >> PostgreSQL is slow.
> >
> > > No, but definitely something for those discussion performance to add
> > > to their checklist :)
> >
> > > BTW, post-compile, running system ... how do you check this? Or can you?
> >
> > If we force people to give a --without-spinlocks config option to build
> > that way, then `pg_config --configure' will reveal the dirty deed ...
>
> That's not quite what I meant :) Right now, if I understood what Bruce
> was saying, if someone doesn't have spinlocks, it switches to using SysV
> Messenging, correct? In the current system, is there anything that one
> can do on a running, live system, to detect that you aren't using
> spinlocks?

No. I don't think so.

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