Forbid copying, moving; Add overrun getter

src/timer.cpp

@@ -1,4 +1,5 @@
 #include <cmath>
+#include <ctime>
 #include <libscerror.hpp>
 #include "timer.hpp"
 
@@ -90,3 +91,7 @@ void sc::timer::start(double time, bool repeat) {
         setup_timer(time, repeat);
     }
 }
+
+int sc::timer::overrun() const {
+    return timer_getoverrun(_tid);
+}

src/timer.hpp

@@ -26,6 +26,14 @@ namespace sc {
                   void* context = nullptr);
             ~timer();
 
+            // forbid copying
+            timer(const timer&) = delete;
+            timer& operator=(const timer&) = delete;
+
+            // forbid moveing
+            timer(timer&&) = delete;
+            timer& operator=(timer&&) = delete;
+
             uint64_t id() const { return _id; }
             double time() const { return _time; }
             bool repeat() const { return _repeat; }
@@ -34,6 +42,7 @@ namespace sc {
             bool is_armed() const;
             void time_left(struct itimerspec& cur_value) const;
             double time_left() const;
+            int overrun() const;
 
             void stop();
             void start();