That's a great idea that I can't believe I didn't think of. I can create the table in the parent: 
$queue_table = 'queue_'.$$;
$dbh->do('CREATE TABLE '.$queue_table.' (payload TEXT NOT NULL)');

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And then access it from the children after the fork, via $queue_table.

In reply to Re^2: A per-instance shared queue among forked child processes? by EvanK
in thread A per-instance shared queue among forked child processes? by EvanK

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