tracer.ml1 2 3 4 5 6 7 8 9let tracer_send : (Pid.t -> Process.t -> Message.t -> unit) ref = ref (fun _sender _proc _msg -> ()) let trace_send fn = tracer_send := fn let tracer_proc_run : (int -> Process.t -> unit) ref = ref (fun _sch _proc -> ()) let trace_proc_run fn = tracer_proc_run := fn