Module: Foam::Otel::ForkHooks::Patch

Defined in:
lib/foam/otel/fork_hooks.rb

Instance Method Summary collapse

Instance Method Details

#_fork ⇒ Object 



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# File 'lib/foam/otel/fork_hooks.rb', line 31

def _fork
  pid = super # a real fork failure must propagate — never swallowed
  # In the CHILD only (super returns 0 to the child). A hook failure
  # must never break an otherwise-successful fork.
  if pid.zero?
    begin
      Foam::Otel.after_fork!
      # Let a per-worker init (the README on_worker_boot recipe) be a
      # REAL re-init in the child: without this, the inherited
      # @initialized guard returns the PARENT's instance and every
      # worker reports the parent's service.instance.id (section 0
      # resource table / GOTCHAS R1). Workers that never re-init keep
      # the inherited pipelines (readers restarted above).
      Foam::Otel.send(:mark_forked!)
    rescue StandardError
      nil
    end
  end
  pid
end