From: Andres Freund <andres@2ndquadrant.com>
To: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Geoghegan <pg@heroku.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Cc: Ants Aasma <ants@cybertec.at>
Subject: Re: better atomics - v0.5
Date: Wed, 2 Jul 2014 15:17:29 +0200
Message-ID: <20140702131729.GP21169@awork2.anarazel.de> (raw)
In-Reply-To: <53AB424D.8030306@vmware.com>
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On 2014-06-26 00:42:37 +0300, Heikki Linnakangas wrote:
> On 06/25/2014 11:36 PM, Andres Freund wrote:
> >
> >>>- I completely loathe the file layout you've proposed in
> >>>src/include/storage. If we're going to have separate #include files
> >>>for each architecture (and I'd rather we didn't go that route, because
> >>>it's messy and unlike what we have now), then shouldn't that stuff go
> >>>in src/include/port or a new directory src/include/port/atomics?
> >>>Polluting src/include/storage with a whole bunch of files called
> >>>atomics-whatever.h strikes me as completely ugly, and there's a lot of
> >>>duplicate code in there.
> >I don't mind moving it somewhere else and it's easy enough to change.
>
> I think having a separate file for each architecture is nice. I totally
> agree that they don't belong in src/include/storage, though. s_lock.h has
> always been misplaced there, but we've let it be for historical reasons, but
> now that we're adding a dozen new files, it's time to move them out.
So,
src/include/port/atomics.h,
src/include/port/atomics/generic-$compiler.h,
src/include/port/atomics/arch-$arch.h,
src/include/port/atomics/fallback.h,
src/include/port/atomics/generic.h,
src/backend/port/atomics.c
?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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Cc: andres@2ndquadrant.com, hlinnakangas@vmware.com, robertmhaas@gmail.com, tgl@sss.pgh.pa.us, pg@heroku.com, ants@cybertec.at
Subject: Re: better atomics - v0.5
In-Reply-To: <20140702131729.GP21169@awork2.anarazel.de>
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