Horton

Re: Strange failure on mamba

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-11-17T22:47:48Z
Lists: pgsql-hackers 
On Fri, Nov 18, 2022 at 11:35 AM Thomas Munro <thomas.munro@gmail.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.

Commits

  1. Provide options for postmaster to kill child processes with SIGABRT.

  2. On NetBSD, force dynamic symbol resolution at postmaster start.