On Tue, Aug 23, 2016 at 12:07 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> + int control_slot = -1;
> ...
> + if (control_slot == -1)
> + elog(ERROR, "cannot unpin unknown segment handle");
>
> Isn't it better to use INVALID_CONTROL_SLOT for control_slot and use
> datatype as uint32 (same is used for dsm_segment->control_slot and
> nitems)?
Yes, it is better. New version attached.
> Apart from this, I have verified your patch on Windows using attached
> dsm_demo module. Basically, by using dsm_demo_create(), I have pinned
> the segment and noticed that Handle count of postmaster is incremented
> by 1 and then by using dsm_demo_unpin_segment() unpinned the segment
> which decrements the Handle count in Postmaster.
Thanks!
--
Thomas Munro
http://www.enterprisedb.com