feat(util): Introduce Mutex/RwLock error handling traits

src/main.rs

@@ -10,6 +10,7 @@ mod pinger_icmp_ts;
 mod ratecontroller;
 mod reflector_selector;
 mod time;
+mod util;
 
 use crate::baseliner::{Baseliner, ReflectorStats};
 use ::log::{debug, info};