| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Peter Geoghegan <pg(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Wait free LW_SHARED acquisition - v0.2 |
| Date: | 2014-06-24 05:37:48 |
| Message-ID: | CAA4eK1JpEZCQbJ_GvnpV7mt+b-bgJLfCyzdWbOZj67LjPO_NCw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Jun 23, 2014 at 9:12 PM, Andres Freund <andres(at)2ndquadrant(dot)com>
wrote:
> On 2014-06-23 19:59:10 +0530, Amit Kapila wrote:
> > 12.
> > #ifdef LWLOCK_DEBUG
> > lock->owner = MyProc;
> > #endif
> >
> > Shouldn't it be reset in LWLockRelease?
>
> That's actually intentional. It's quite useful to know the last owner
> when debugging lwlock code.
Won't it cause any problem if the last owner process exits?
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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