| From: | Peter Geoghegan <peter(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: memory barriers (was: Yes, WaitLatch is vulnerable to weak-memory-ordering bugs) |
| Date: | 2011-09-22 14:53:22 |
| Message-ID: | CAEYLb_UYo2cPrhumxq4J3Xf_32Jvetv7K+mF09L=iXtESTjU6A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 14 September 2011 21:29, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Mon, Aug 8, 2011 at 7:47 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> I've been thinking about this too and actually went so far as to do
>> some research and put together something that I hope covers most of
>> the interesting cases. The attached patch is pretty much entirely
>> untested, but reflects my present belief about how things ought to
>> work.
>
> And, here's an updated version, with some of the more obviously broken
> things fixed.
As I've already pointed out, the comment "Won't work on Visual Studio
2003" is not accurate:
http://msdn.microsoft.com/en-us/library/f20w0x5e(v=vs.71).aspx
Besides, if it's not supported, why bother mentioning it?
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services
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