Megatest

	;; (args:get-arg "-runstep"))
    (let ((original-exit (exit-handler)))
      (exit-handler (lambda (#!optional (exit-code 0))
		      (printf "Preparing to exit with exit code ~A ...\n" exit-code)
		      (for-each
		       
		       (lambda (pid)
			 (common:debug-handle-exceptions #t
			  exn
			  #t
			  (let-values (((pid-val exit-status exit-code) (process-wait pid #t)))
				      (if (or (eq? pid-val pid)
					      (eq? pid-val 0))
					  (begin
					    (printf "Sending signal/term to ~A\n" pid)

				   '())))
		(if (null? files)
		    (debug:print-info 0 *default-log-port* "No cached megatest or runconfigs files found. None removed.")
		    (begin
		      (debug:print-info 0 *default-log-port* "Removing cached files:\n    " (string-intersperse files "\n    "))
		      (for-each 
		       (lambda (f)
			 (common:debug-handle-exceptions #t
			     exn
			     (debug:print 0 *default-log-port* "WARNING: Failed to remove file " f)
			   (delete-file f)))
		       files))))
	      (debug:print-error 0 *default-log-port* "-clean-cache requires -runname."))
	  (debug:print-error 0 *default-log-port* "-clean-cache requires -target or -reqtarg"))))