Re: pgsql: Implement pg_wal_replay_wait() stored procedure

On Wed, Apr 3, 2024 at 9:42 AM Alexander Korotkov <aekorotkov@gmail.com> wrote:
> On Tue, Apr 2, 2024 at 10:58 PM Alexander Korotkov
> <akorotkov@postgresql.org> wrote:
> > Implement pg_wal_replay_wait() stored procedure
>
> I'm trying to figure out if this failure could be related to this commit...
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=culicidae&dt=2024-04-02%2020%3A24%3A55

I think you might need to move WaitLSNShmemInit() down to
CreateOrAttachShmemStructs(), otherwise -DEXEC_BACKEND build dies with
a NULL pointer.  (Huh, why doesn't that animal show a backtrace?)