(let ((original-exit (exit-handler)))
  (exit-handler (lambda (#!optional (exit-code 0))
		  (printf "Preparing to exit...\n" exit-code)
		  (for-each (lambda (pid)
			      (printf "Sending signal/term to ~A\n" pid)
			      (process-signal pid signal/term)) (children))
		  (original-exit exit-code))))