define wxHAS_ATOMIC_OPS only if native implementation is available; use fewer loop...

[wxWidgets.git] / docs / doxygen / mainpages / const_cpp.h

diff --git a/docs/doxygen/mainpages/const_cpp.h b/docs/doxygen/mainpages/const_cpp.h
index c03215e0cba7f9e7991ec12dd81832f9cdfc477b..86c85e2c27340b9bb7d987c37bc3e7f3435087e0 100644 (file)
--- a/docs/doxygen/mainpages/const_cpp.h
+++ b/docs/doxygen/mainpages/const_cpp.h
@@ -188,6 +188,10 @@ the corresponding feature is available and not defined at all otherwise.
 Currently the following symbols exist:
 
 @beginDefList
+@itemdef{wxHAS_ATOMIC_OPS, Defined if wxAtomicInc() and wxAtomicDec() functions
+    have an efficient (CPU-specific) implementation. Notice that the functions
+    themselves are always available but can be prohibitively slow to use when
+    implemented in a generic way, using a critical section.}
 @itemdef{wxHAS_LARGE_FILES, Defined if wxFile supports files more than 4GB in size.}
 @itemdef{wxHAS_LARGE_FFILES, Defined if wxFFile supports files more than 4GB in size.}
 @itemdef{wxHAS_POWER_EVENTS, Defined if wxPowerEvent are ever generated on the current platform.}