On Fri, Nov 18, 2022 at 11:35 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> I wonder if it's a runtime variant of the other problem. We do
> load_file("libpqwalreceiver", false) before unblocking signals but
> maybe don't resolve the symbols until calling them, or something like
> that...
Hmm, no, I take that back. A key ingredient was that a symbol was
being resolved inside the signal handler, which is a postmaster-only
thing.