From 076f6b11e76fd6c7978950749410dc5bccd02b7f Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Fri, 10 Dec 2010 23:06:27 +0100
Subject: Add support for 32-bit atomics

---
 erts/lib_src/common/ethr_aux.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'erts/lib_src/common/ethr_aux.c')

diff --git a/erts/lib_src/common/ethr_aux.c b/erts/lib_src/common/ethr_aux.c
index e4569e9f5d..cc58630923 100644
--- a/erts/lib_src/common/ethr_aux.c
+++ b/erts/lib_src/common/ethr_aux.c
@@ -31,7 +31,10 @@
 
 #define ETHR_INLINE_FUNC_NAME_(X) X ## __
 #define ETHR_AUX_IMPL__
-
+#define ETHR_ATOMIC_IMPL__ /* Needed in order to pull in
+			      native atomic implementations
+			      for optimized fallbacks of
+			      spinlocks and rwspinlocks */
 #include "ethread.h"
 #include "ethr_internal.h"
 #include <string.h>
-- 
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