Some cleanups

src/main.cpp

@@ -14,9 +14,9 @@
 #include <signal.h>
 
 // A flag set by the SIGINT signal handler.
-static volatile std::atomic<bool> stop(false);
+static std::atomic<bool> stop(false);
 // Flag set by the SIGUSR1/2 signal handler.
-static volatile std::atomic<bool> reload(false);
+static std::atomic<bool> reload(false);
 // A flag indicating that we are wanting to exit the process. i.e: if this
 // flag is set and all connections are closed, we can exit properly.
 static bool exiting = false;