Re: Feedback on writing extensible modules

On Wed, 2009-05-20 at 16:03 -0400, Tom Lane wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
> > 2. shmem_startup_hook doesn't allow multiple modules to create shmem.
> > All callers of the hook think they are the only caller, causing chaos if
> > multiple people need this.
> 
> The only known caller, contrib/pg_stat_statements/, does not think that.
> Do what it does.

Hmmm, it works, I guess. As long as everyone does that. 

Thanks for the workaround.

> I agree it's undocumented, but so are the other hooks ...

Some are well documented in the code, not all though.

-- Simon Riggs           www.2ndQuadrant.comPostgreSQL Training, Services and Support