--- a/symbianosbld/cedarutils/inc/Symbian_OS_tb92sf.hrh	Tue Feb 02 01:12:20 2010 +0200
+++ b/symbianosbld/cedarutils/inc/Symbian_OS_tb92sf.hrh	Sat Feb 20 00:02:00 2010 +0200
@@ -2060,3 +2060,14 @@
 */
 #define SYMBIAN_OE_LIBSTDCPP
 
+/**
+@publishedPartner
+@released
+
+SYMBIAN_E32_ATOMIC_API
+
+If SYMBIAN_E32_ATOMIC_API is defined the header file e32atomics.h is available
+and should be used in preference to hand-coding ARM atomic instructions.
+*/
+#define SYMBIAN_E32_ATOMIC_API
+