---------------------
PatchSet 454 
Date: 2002/12/21 13:06:08
Author: rbcollins
Branch: esi
Tag: (none) 
Log:
debug refcounting when needed

Members: 
	include/RefCount.h:1.1.4.3->1.1.4.4 

Index: squid3/include/RefCount.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/include/RefCount.h,v
retrieving revision 1.1.4.3
retrieving revision 1.1.4.4
diff -u -r1.1.4.3 -r1.1.4.4
--- squid3/include/RefCount.h	19 Dec 2002 11:25:49 -0000	1.1.4.3
+++ squid3/include/RefCount.h	21 Dec 2002 13:06:08 -0000	1.1.4.4
@@ -1,6 +1,6 @@
 
 /*
- * $Id: RefCount.h,v 1.1.4.3 2002/12/19 11:25:49 rbcollins Exp $
+ * $Id: RefCount.h,v 1.1.4.4 2002/12/21 13:06:08 rbcollins Exp $
  *
  * DEBUG: section xx    Refcount allocator
  * AUTHOR:  Robert Collins
@@ -40,7 +40,7 @@
 class RefCount {
 public:
   RefCount () : p_ (NULL) {}
-  RefCount (C const *p) : p_(p) { if (p_) p_->RefCountReference(); }
+  RefCount (C const *p) : p_(p) { reference (*this); }
   ~RefCount()
     {
       dereference();
@@ -72,6 +72,7 @@
   void dereference()
     {
       if (p_ && p_->RefCountDereference() == 0) p_->deleteSelf();
+      p_ = NULL;
     }
   void reference (const RefCount& p)
     {
@@ -87,8 +88,17 @@
     virtual ~RefCountable_(){}
     virtual void deleteSelf() const = 0;
     /* Not private, to allow class hierarchies */
-    void RefCountReference() const { ++count_; }
-    unsigned RefCountDereference() const { return --count_; }
+    void RefCountReference() const {
+#if REFCOUNT_DEBUG
+	debug (0,1)("Incrementing this %p from count %u\n",this,count_);
+#endif
+	++count_; }
+    unsigned RefCountDereference() const { 
+#if REFCOUNT_DEBUG
+	debug (0,1)("Decrementing this %p from count %u\n",this,count_);
+#endif
+	return --count_; 
+    }
 private:
     mutable unsigned count_;
 };