Added usage message to "cvar" and "cvars" debugger commands and define

temporary variables.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23596 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/condition_variable.h

@@ -73,8 +73,8 @@ class PrivateConditionVariable
 	: protected HashTableLink<PrivateConditionVariable> {
 public:
 	static	void				ListAll();
-			void				Dump();
-
+			void				Dump() const;
+			const void*			Object() const	{ return fObject; }
 protected:
 			void				Publish(const void* object,
 									const char* objectType);