From 27f2f87e299e46ae11a6c3ceb93d7dd962685b1f Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Fri, 29 Sep 2017 15:30:50 -0500
Subject: [PATCH] reftrack class Field

---
 src/factory/FieldCreateFactory.cpp | 11 ++++++++++-
 src/pv/pvIntrospect.h              |  4 +++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/factory/FieldCreateFactory.cpp b/src/factory/FieldCreateFactory.cpp
index a3c9133..6742758 100644
--- a/src/factory/FieldCreateFactory.cpp
+++ b/src/factory/FieldCreateFactory.cpp
@@ -21,6 +21,7 @@
 #include <epicsMutex.h>
 
 #define epicsExportSharedSymbols
+#include <pv/reftrack.h>
 #include <pv/lock.h>
 #include <pv/pvIntrospect.h>
 #include <pv/factory.h>
@@ -34,12 +35,17 @@ namespace epics { namespace pvData {
 
 static DebugLevel debugLevel = lowDebug;
 
+size_t Field::num_instances;
+
+
 Field::Field(Type type)
     : m_fieldType(type)
 {
+    REFTRACE_INCREMENT(num_instances);
 }
 
 Field::~Field() {
+    REFTRACE_DECREMENT(num_instances);
 }
 
 
@@ -1419,7 +1425,10 @@ FieldCreatePtr FieldCreate::getFieldCreate()
 	static Mutex mutex;
 
 	Lock xx(mutex);
-    if(fieldCreate.get()==0) fieldCreate = FieldCreatePtr(new FieldCreate());
+    if(fieldCreate.get()==0) {
+        fieldCreate = FieldCreatePtr(new FieldCreate());
+        registerRefCounter("Field", &Field::num_instances);
+    }
     return fieldCreate;
 }
 
diff --git a/src/pv/pvIntrospect.h b/src/pv/pvIntrospect.h
index f013bd1..b8fe5b8 100644
--- a/src/pv/pvIntrospect.h
+++ b/src/pv/pvIntrospect.h
@@ -292,6 +292,8 @@ class epicsShareClass Field :
     virtual public Serializable,
     public std::tr1::enable_shared_from_this<Field> {
 public:
+   static size_t num_instances;
+
    POINTER_DEFINITIONS(Field);
     /**
      * Destructor.
@@ -322,7 +324,7 @@ protected:
      */
    Field(Type type);
 private:
-   Type m_fieldType;
+   const Type m_fieldType;
 
    friend class StructureArray;
    friend class Structure;