| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Thor Lancelot Simon <tls(at)panix(dot)com> |
| Cc: | Greg Stark <stark(at)mit(dot)edu>, John Klos <john(at)ziaspace(dot)com>, port-vax(at)netbsd(dot)org, vax(at)openbsd(dot)org, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL for VAX on NetBSD/OpenBSD |
| Date: | 2014-07-17 11:47:28 |
| Message-ID: | CA+TgmobzXCseKiV6gm-YiwrLqE4YzVg1Sq1mC8cgOv9iQrQm1w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jul 16, 2014 at 11:45 PM, Thor Lancelot Simon <tls(at)panix(dot)com> wrote:
> Well, I have to ask this question: why should there be any "vax-specific
> code"? What facilities beyond what POSIX with the threading extensions
> offers on a modern system do you really need? Why?
We have a spinlock implementation. When spinlocks are not available,
we have to fall back to using semaphores, which is much slower.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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