X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracer.h;h=9593609db348b845242e06dcf27648072175ac32;hb=c0c0989ab70574e09b2f7e8b48c2da6af664a849;hp=a6672c9d2d19d9c7f28087a843738897449877b7;hpb=7dd08bec735b428479201f9f84d59c78deabdf57;p=lttng-ust.git

diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h
index a6672c9d..9593609d 100644
--- a/include/lttng/ust-tracer.h
+++ b/include/lttng/ust-tracer.h
@@ -1,24 +1,21 @@
-#ifndef _LTTNG_UST_TRACER_H
-#define _LTTNG_UST_TRACER_H
-
 /*
- * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This contains the core definitions for the Linux Trace Toolkit.
+ * SPDX-License-Identifier: MIT
  *
- * Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * This contains the core definitions for the Linux Trace Toolkit.
  */
 
+#ifndef _LTTNG_UST_TRACER_H
+#define _LTTNG_UST_TRACER_H
+
+#include <limits.h>
+
+#if defined (__cplusplus)
+#include <type_traits>
+#endif
+
+#include <lttng/ust-compiler.h>
 #include <lttng/ust-config.h>
 #include <lttng/ust-version.h>
 
@@ -37,6 +34,32 @@
 #define lttng_alignof(type)	1
 #endif
 
-#define lttng_is_signed_type(type)           (((type)(-1)) < 0)
+#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 */