Re: Native Windows, Apache Portable Runtime

From: Hannu Krosing <hannu(at)tm(dot)ee>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Native Windows, Apache Portable Runtime
Date: 2002-05-06 10:48:32
Message-ID: 1020682112.12517.6.camel@taru.tm.ee
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sat, 2002-05-04 at 21:56, Tom Lane wrote:
> mlw <markw(at)mohawksoft(dot)com> writes:
> > We could provide a PGSemaphore based on an APR mutex and a counter,
> > but I'm not sure of the performance impact. We may want to implement
a
> > "generic" semaphore like this and one optimized for platforms which
we
> > have development resources.
>
> Once we have the internal API redone, it should be fairly easy to
> experiment with alternatives like that.
>
> I'm planning to work on this today (need a break from thinking about
> schemas ;-)). I'll run with the API I sketched yesterday, since no
one
> objected. Although I'm not planning on doing anything to the API of
the
> shared-mem routines, I'll break them out into a replaceable file as
> well, just in case anyone wants to try a non-SysV implementation.

Would it be too hard to make them macros, so those which dont need
shared mem at all (embedded single-user systems) could avoid the
performance impact altogether.

----------------
Hannu

Browse pgsql-hackers by date

  From Date Subject
Next Message Michael Meskes 2002-05-06 10:59:58 Re: [INTERFACES] ECPG: FETCH ALL|n FROM cursor - Memory allocation?
Previous Message Lee Kindness 2002-05-06 10:24:36 Re: [INTERFACES] ECPG: FETCH ALL|n FROM cursor - Memory allocation?