Re: spinlocks on HP-UX - Mailing list pgsql-hackers

From Tom Lane
Subject Re: spinlocks on HP-UX
Date
Msg-id 22599.1314576005@sss.pgh.pa.us
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In response to Re: spinlocks on HP-UX  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: spinlocks on HP-UX
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> On Sun, Aug 28, 2011 at 7:19 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> (IOW, +1 for inventing a second macro to use in the delay loop only.)

> Beautiful.  Got a naming preference for that second macro?  I
> suggested TAS_SPIN() because it's what you use when you spin, as
> opposed to what you use in the uncontended case, but I'm not attached
> to that.

I had been thinking TAS_CONTENDED, but on reflection there's not a
strong argument for that over TAS_SPIN.  Do what you will.
        regards, tom lane


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