(* 'top'-like tool for libvirt domains. * * This file contains all code which requires CSV support. *) (* Output channel, or None if CSV output not enabled. *) let chan = ref None ;; Virt_top.csv_start := fun filename -> chan := Some (open_out filename) ;; Virt_top.csv_write := fun row -> match !chan with | None -> () (* CSV output not enabled. *) | Some chan -> Csv.save_out chan [row]; (* Flush the output to the file immediately because we don't * explicitly close this file. *) flush chan