X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracer.h;h=546fc2c5422cbfde9a0c38d16b43ebff0f1dd93b;hb=029ba7b267745ada271dcc18f8b1880e27510932;hp=dafb69349caead11160faafd82069a12662f4be0;hpb=b728d87e617189fe9898a9492a559ecf949d2348;p=lttng-ust.git

diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h
index dafb6934..546fc2c5 100644
--- a/include/lttng/ust-tracer.h
+++ b/include/lttng/ust-tracer.h
@@ -1,25 +1,41 @@
-#ifndef _LTTNG_TRACER_H
-#define _LTTNG_TRACER_H
+#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.
  *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ * Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
-#include <lttng/config.h>
+#if defined (__cplusplus)
+#include <type_traits>
+#endif
+
+#include <lttng/ust-compiler.h>
+#include <lttng/ust-config.h>
 #include <lttng/ust-version.h>
 
-#ifndef HAVE_EFFICIENT_UNALIGNED_ACCESS
+#ifndef LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS
 /* Align data on its natural alignment */
 #define RING_BUFFER_ALIGN
 #endif
@@ -34,6 +50,32 @@
 #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_TRACER_CORE_H */
+#endif /* _LTTNG_UST_TRACER_H */