Tom Lane wrote:
And it's not even
clear to me that it fixes the problem: wouldn't you get two different
handles if you supplied the internal and external addresses of an
eventproc?
Both #1 and #4 suffer from this issue, internal & external register
methods. They also require the same WARNING in the docs. But, #1
solves the instancedata lookup issue. I am not trying to make a case
for #1 but it does appear to have a narrower failure window.
> libpq has to deal with generating the handles
Well lock; if(not_in_map) handle = ++counter; unlock surely won't be to
difficult ;-)
> (threading issues here)
There is no unregister, so the idea won't lock/unlock in high traffic
routines.
On the whole I vote for #4 out of these.
Okay.
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Andrew Chernow
eSilo, LLC
every bit counts
http://www.esilo.com/
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