| From: | "Magnus Hagander" <mha(at)sollentuna(dot)net> |
|---|---|
| To: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>, <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: Building with Visual C++ |
| Date: | 2006-04-24 19:48:07 |
| Message-ID: | 6BCB9D8A16AC4241919521715F4D8BCEA0F933@algol.sollentuna.se |
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| Lists: | pgsql-patches |
> > > *) Add s_lock implementation based on InterlockedCompareExchange
> > > instead of assembly code (gcc style asm not supported, and
> > this should
> > > probably be about as fast from what I hear)
> >
> > _InterlockedCompareExchange is even better IMHO ...
>
> I could've sworn the non-_ was #defined to the other one, but
> double-checkign that I see that's only done on 64-bit
> systems. Will update.
Hm. Wrong again :-(
Seems the whole _InterlockedCompareExchange version is only *available*
on 64-bit.
So we might want to look into doing that thing in assembly anyway, but
for now I'll just stick with the standard InterlockedCompareExchange.
//Magnus
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