Re: testing plpython3u on 9.0beta2

On fre, 2010-06-25 at 18:57 -0400, Peter Eisentraut wrote:
> On fre, 2010-06-25 at 23:44 +0200, Andres Freund wrote:
> > Has anybody actually researched if it is safe to run python2 and
> > python3 in the same address space?
> 
> You can't run plpython2 and plpython3 in the same session, because the
> libraries are loaded with dlopen(RTLD_GLOBAL) (with RTLD_LOCAL it would
> apparently work).  But you can use them in different sessions on the
> same database, for example.

By the way, I thought there had been some discussion about this in the
past, but I couldn't find it ...

Why are we using RTLD_GLOBAL?