Produce the watchlog warning log in a way that is safer from a signal handler. Fix...

[redis.git] / src / config.h

diff --git a/src/config.h b/src/config.h
index 323a3ddd1f43b00678aae3a4e87c93b0edc9a117..6a69364a97158a2d7f46b82449046dadb200a9f2 100644 (file)
--- a/src/config.h
+++ b/src/config.h
@@ -96,4 +96,12 @@
 #error "Undefined or invalid BYTE_ORDER"
 #endif
 
+#if (__i386 || __amd64) && __GNUC__
+#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#if GNUC_VERSION >= 40100
+#define HAVE_ATOMIC
+#endif
+#endif
+
+
 #endif