X-Git-Url: https://pd.if.org/git/?p=nbds;a=blobdiff_plain;f=include%2Fcommon.h;fp=include%2Fcommon.h;h=8988ed01debc6ec5224ef7b17e823a34fcceba63;hp=c644bb5631f0ab480c0e756f62bb53aa4118f4dd;hb=2b107655a1df8ae7703b44ef8cf1430a7250a5c3;hpb=a1d0b3ca99552878b1becf561d8f3291992aaa67

diff --git a/include/common.h b/include/common.h
index c644bb5..8988ed0 100644
--- a/include/common.h
+++ b/include/common.h
@@ -40,10 +40,12 @@
 #define STRIP_TAG(v, tag) ((v) & ~tag)
 
 #define DOES_NOT_EXIST 0
-#define ERROR_INVALID_OPTION (-1)
-#define ERROR_INVALID_ARGUMENT (-2)
+#define ERROR_INVALID_OPTION      (-1)
+#define ERROR_INVALID_ARGUMENT    (-2)
 #define ERROR_UNSUPPORTED_FEATURE (-3)
-#define ERROR_TXN_NOT_RUNNING (-4)
+#define ERROR_TXN_NOT_RUNNING     (-4)
+
+#define VOLATILE(x) *((volatile typeof(x) *)&x)
 
 typedef unsigned long long uint64_t;
 typedef unsigned int       uint32_t;