1 files changed, 7 insertions, 3 deletions
diff --git a/examples/Threads/TSS_Data.h b/examples/Threads/TSS_Data.h
index fb8e6312d14..03fd6c8ff50 100644
--- a/examples/Threads/TSS_Data.h
+++ b/examples/Threads/TSS_Data.h
@@ -4,17 +4,21 @@
 //
 // = LIBRARY
 //    examples
-// 
+//
 // = FILENAME
 //    TSS_Data.cpp
 //
 // = AUTHOR
 //    Prashant Jain and Doug Schmidt
-// 
+//
 // ============================================================================
 
 #include "ace/Singleton.h"
 
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
 class TSS_Data
   // = TITLE
   //   Data that is stored in thread-specific storage.
@@ -22,7 +26,7 @@ class TSS_Data
 public:
   void *data (void) { return this->data_; }
   void data (void *v) { this->data_ = v; }
-  
+
 private:
   // = data_ will be thread-specific data so it doesn't need a lock.
   void *data_;