X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=include%2Flttng%2Fust-tracer.h;h=546fc2c5422cbfde9a0c38d16b43ebff0f1dd93b;hb=3208818bfe394315cae502a14e01195713299aac;hp=ec30db7446a52608b6d5b0a9267f3184f33b516f;hpb=72914f82515bb7bb688b0d855921e2c5cf16cc8c;p=lttng-ust.git

diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h
index ec30db74..546fc2c5 100644
--- a/include/lttng/ust-tracer.h
+++ b/include/lttng/ust-tracer.h
@@ -27,6 +27,11 @@
  * SOFTWARE.
  */
 
+#if defined (__cplusplus)
+#include <type_traits>
+#endif
+
+#include <lttng/ust-compiler.h>
 #include <lttng/ust-config.h>
 #include <lttng/ust-version.h>
 
@@ -47,4 +52,30 @@
 
 #define lttng_is_signed_type(type)           ((type) -1 < (type) 0)
 
+/*
+ * This macro adds a compilation assertion that CTF arrays and sequences
+ * declared by the users are of an integral type.
+ */
+
+#if defined(__cplusplus)
+#define _lttng_is_integer(type) (std::is_integral<type>::value)
+#else
+#define _lttng_is_integer(type) (__builtin_types_compatible_p(type, _Bool) || \
+		__builtin_types_compatible_p(type, char) || \
+		__builtin_types_compatible_p(type, unsigned char) || \
+		__builtin_types_compatible_p(type, short) || \
+		__builtin_types_compatible_p(type, unsigned short) || \
+		__builtin_types_compatible_p(type, int) || \
+		__builtin_types_compatible_p(type, unsigned int) || \
+		__builtin_types_compatible_p(type, long) || \
+		__builtin_types_compatible_p(type, unsigned long) || \
+		__builtin_types_compatible_p(type, long long) || \
+		__builtin_types_compatible_p(type, unsigned long long))
+#endif
+
+#define _lttng_array_element_type_is_supported(_type, _item) \
+		lttng_static_assert(_lttng_is_integer(_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);
+
 #endif /* _LTTNG_UST_TRACER_H */