Re: Regression tests versus the buildfarm environment

On ons, 2010-08-11 at 11:48 -0400, Tom Lane wrote:
> How's that help?  pg_backend_pid isn't going to return the
> postmaster's
> PID ... maybe we could add a new function that does return the
> postmaster's PID, though.

Hmm, is there a portable way to find the parent PID of some other
process, given its PID?