Event-manager: add dump() method for debugging

simgear/structure/event_mgr.cxx

@@ -119,6 +119,14 @@ void SGEventMgr::removeTask(const std::string& name)
   }
 }
 
+void SGEventMgr::dump()
+{
+    SG_LOG(SG_GENERAL, SG_INFO, "EventMgr: sim-time queue:");
+    _simQueue.dump();
+    SG_LOG(SG_GENERAL, SG_INFO, "EventMgr: real-time queue:");
+    _rtQueue.dump();
+}
+
 ////////////////////////////////////////////////////////////////////////
 // SGTimerQueue
 // This is the priority queue implementation:
@@ -270,3 +278,11 @@ SGTimer* SGTimerQueue::findByName(const std::string& name) const
   
   return NULL;
 }
+
+void SGTimerQueue::dump()
+{
+    for (int i=0; i < _numEntries; ++i) {
+        const auto t = _table[i].timer;
+        SG_LOG(SG_GENERAL, SG_INFO, "\ttimer:" << t->name << ", interval=" << t->interval);
+    }
+}

simgear/structure/event_mgr.hxx

@@ -38,6 +38,8 @@ public:
     double   nextTime()  { return -_table[0].pri; }
 
     SGTimer* findByName(const std::string& name) const;
+    
+    void dump();
 private:
     // The "priority" is stored as a negative time.  This allows the
     // implementation to treat the "top" of the heap as the largest
@@ -119,6 +121,8 @@ public:
 
 
     void removeTask(const std::string& name);
+    
+    void dump();
 private:
     friend class SGTimer;