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Re: PostgreSQL does not have native spinlock support on this

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Martino Serri <mserri(at)tin(dot)it>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: PostgreSQL does not have native spinlock support on this
Date: 2004-06-15 00:51:02
Message-ID: 200406150051.i5F0p2c10960@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Martino Serri wrote:
> Bruce Momjian wrote:
>  > That is very strange. I assume you are on an i386 cpu.  Many are running
>  > the same configuration just fine.
>  >
> 
> Thank you for the answer.
> 
> Yes, this is a PentiumIII 800Mhz.
> 
> 
> I've searched on /src/include/storage/s_lock.h and i've found this line.
> 
> #ifdef HAVE_SPINLOCKS
> #error PostgreSQL does not have native spinlock support on this ...
> 
> I suppose that would be
> 
> #ifndef HAVE_SPINLOCKS
> 
> It's correct?

No, that would mean it would use the spinlock code (slow) rather than
the test and set code.  What OS is this?  My guess is that there is a
missing spinlock configuration variable in proper src/template file. 
This is all redesigned in 7.5.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
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