X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-utils.h;h=13d2a7ae1a3049d6815b707320977604678ea2be;hb=11bce05634f2217def46fbbdb492afbf3dd664c2;hp=baca88f271184840512ea97745320d8bef65e333;hpb=d465835d05ead88505e49aa62319b22dfc1fc026;p=lttng-ust.git

diff --git a/include/lttng/ust-utils.h b/include/lttng/ust-utils.h
index baca88f2..13d2a7ae 100644
--- a/include/lttng/ust-utils.h
+++ b/include/lttng/ust-utils.h
@@ -28,7 +28,11 @@
  *
  * Returns true if the type of @type is signed.
  */
-#define lttng_ust_is_signed_type(type)           ((type) -1 < (type) 1)
+#if defined(__cplusplus)
+#define lttng_ust_is_signed_type(type)	(std::is_signed<type>::value)
+#else
+#define lttng_ust_is_signed_type(type)	((type) -1 < (type) 1)
+#endif
 
 
 /**
@@ -61,9 +65,9 @@
  * user are of an integral type.
  */
 #define lttng_ust_ctf_array_element_type_is_supported(type, item) \
-		lttng_static_assert(lttng_ust_is_integer_type(type), \
+		lttng_ust_static_assert(lttng_ust_is_integer_type(type), \
 			"Non-integer type `" #item "` not supported as element of CTF_ARRAY or CTF_SEQUENCE", \
-			Non_integer_type__##item##__not_supported_as_element_of_CTF_ARRAY_or_CTF_SEQUENCE);
+			Non_integer_type__##item##__not_supported_as_element_of_CTF_ARRAY_or_CTF_SEQUENCE)
 
 
 /**