From ff571d2690fb3c3f6c4a8dacc79ad3e050001d15 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 7 Feb 2002 01:11:20 +0000
Subject: [PATCH] Added a check to the destructor of Referenced so that it
 detects referenced objects that are deleted whilest still having a positive
 _refCount, such as when a object has been deleted on the stack, yet other
 references still exist for it.  Have put the desctructor implementation in
 Object.cpp to avoid adding yet another file with only a couple of lines of
 code in.

---
 include/osg/Referenced |  3 +--
 src/osg/Object.cpp     | 12 ++++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/include/osg/Referenced b/include/osg/Referenced
index 2579379cc..ea01a07a3 100644
--- a/include/osg/Referenced
+++ b/include/osg/Referenced
@@ -6,7 +6,6 @@
 #define OSG_REFERENCED 1
 
 #include <osg/Export>
-#include <set>
 
 namespace osg {
 
@@ -32,7 +31,7 @@ class SG_EXPORT Referenced
         inline const int referenceCount() const { return _refCount; }
 
     protected:
-        virtual ~Referenced() {}
+        virtual ~Referenced();
         mutable int _refCount;
 
 };
diff --git a/src/osg/Object.cpp b/src/osg/Object.cpp
index ae9dde005..6b07e7ae3 100644
--- a/src/osg/Object.cpp
+++ b/src/osg/Object.cpp
@@ -1,6 +1,18 @@
 #include <osg/Object>
+#include <osg/Notify>
+#include <typeinfo>
 
 using namespace osg;
 
+Referenced::~Referenced()
+{
+    if (_refCount>0)
+    {
+        notify(WARN)<<"Warning: deleting still referenced object "<<this<<" of type '"<<typeid(this).name()<<"'"<<std::endl;
+        notify(WARN)<<"         the final reference count was "<<_refCount<<", memory corruption possible."<<std::endl;
+    }
+}
+
+
 Object::Object(const Object&,const CopyOp&): 
     Referenced() {}