[timer] Add 'disarm' method

src/timer.cc

@@ -47,7 +47,7 @@ int timer::interrupt_timer::arm_timer() {
     return 0;
 }
 
-timer::interrupt_timer::~interrupt_timer() {
+void timer::interrupt_timer::disarm_timer() {
     if (this->armed) {
         // Disable the interval timer before resetting the handler and rearming
         // the previous interval timer or else we will have a race-condition
@@ -70,3 +70,7 @@ timer::interrupt_timer::~interrupt_timer() {
         }
     }
 }
+
+timer::interrupt_timer::~interrupt_timer() {
+    this->disarm_timer();
+}

src/timer.hh

@@ -23,6 +23,7 @@ class interrupt_timer {
     public:
         interrupt_timer(struct timeval, sighandler_t_);
         int arm_timer();
+        void disarm_timer();
         ~interrupt_timer();
     private:
         sighandler_t_ new_handler, old_handler;