-module(f). -export([f1/0,f2/0,call_f2_when_isolated/0]). f1() -> f1_line1, f1_line2. f2() -> f2_line1, f2_line2. call_f2_when_isolated() -> case nodes() of [] -> f2(); _ -> timer:sleep(100), call_f2_when_isolated() end.