Tue Oct 18 17:24:26 MST 2005 Yan Dai <dai_y@ociweb.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/TAO/tao/Intrusive_Ref_Count_Base_T.h b/TAO/tao/Intrusive_Ref_Count_Base_T.h
new file mode 100644
index 00000000000..f37041bd02c
--- /dev/null
+++ b/TAO/tao/Intrusive_Ref_Count_Base_T.h
@@ -0,0 +1,75 @@
+// This may look like C, but it's really -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Intrusive_Ref_Count_Base_T.h
+ *
+ *  $Id$
+ *
+ *  @authors Tim Bradley  <bradley_t@ociweb.com>
+ */
+//=============================================================================
+
+#ifndef TAO_INTRUSIVE_REF_COUNT_BASE_T_H
+#define TAO_INTRUSIVE_REF_COUNT_BASE_T_H
+
+#include /**/ "ace/pre.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/Atomic_Op.h"
+
+
+/**
+ * @class TAO_Intrusive_Ref_Count_Base<ACE_LOCK>
+ *
+ * @brief Template base class to provide intrusive reference-counting
+ *        to subclasses.  This makes the subclass capable of using a
+ *        TAO_Intrusive_Ref_Count_Handle<X> class as a smart-pointer
+ *        to an X object.  In this case, X is a sub-class of this class,
+ *        TAO_Intrusive_Ref_Count_Base<ACE_LOCK>.  The ACE_LOCK type is
+ *        used to protect the atomic reference count data member.
+ *
+ */
+template <class ACE_LOCK>
+class TAO_Intrusive_Ref_Count_Base
+{
+public:
+
+  virtual ~TAO_Intrusive_Ref_Count_Base();
+
+  void _add_ref();
+  void _remove_ref();
+
+
+protected:
+
+  TAO_Intrusive_Ref_Count_Base();
+
+
+private:
+
+  ACE_Atomic_Op<ACE_LOCK, long> ref_count_;
+
+  // Not implemented.
+  TAO_Intrusive_Ref_Count_Base(const TAO_Intrusive_Ref_Count_Base&);
+  TAO_Intrusive_Ref_Count_Base& operator=(const TAO_Intrusive_Ref_Count_Base&);
+};
+
+#if defined (__ACE_INLINE__)
+#include "Intrusive_Ref_Count_Base_T.inl"
+#endif /* __ACE_INLINE__ */
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "Intrusive_Ref_Count_Base_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
+#pragma implementation ("Intrusive_Ref_Count_Base_T.cpp")
+#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
+
+#include /**/ "ace/post.h"
+
+#endif /* TAO_INTRUSIVE_REF_COUNT_BASE_T_H */