Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > I have a question about SHM_QUEUE. Why do we need this component?
> It's a hangover from Berkeley days that no one has felt a need to remove yet.
>
> > Then, can we replace SHM_QUEUE by a pointer-based double-linked list?
> What exactly will you gain by it? I'm not inclined to fool with that
> code for trivial reasons ...
Hmmm, my next question is whether we should use SHM_QUEUE or not in
new modules. The point deluded me when I wrote DSM and I wondered
the autovacuum-multiworkers patch uses SHM_QUEUE.
Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center