Re: CurrentMemoryContext

I was trying to have a single .so that I can use in postgres, but
also by a perlXS function. I want access to the same function within
postgres, and externally in perl. Trying to get a single bit of code.

I'll restructure this bit of code, to take you comments into account.

cheers,

Bob

On Tue, 7 Nov 2000, Tom Lane wrote:

> Bob Parkinson <rwp@biome.ac.uk> writes:
> > Is CurrentMemoryContext a postgres symbol that I can link against?
>
> Yes, it should be accessible to shared libs that are loaded into a
> backend.
>
> > accessable to postgres, as a .so, and perl. The .so bit works, but I'm
> > trying to now build the Perl module calling the C code. I'm getting
>
> > Undefined symbol "CurrentMemoryContext"
>
> If I'm visualizing your setup correctly, you are trying to load this
> code into a Perl executable?  It's not going to work to load backend
> code into Perl, because none of the backend support routines are going
> to be accessible.  Probably CurrentMemoryContext is just by chance the
> first unresolvable symbol the linker found --- there'll be more if you
> get past that one.
>
> Code that's supposed to go into non-backend contexts shouldn't be using
> any Postgres-specific include files...
>
>             regards, tom lane
>

Bob Parkinson
rwp@biome.ac.uk
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