X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fcompiler.h;h=c8bb4db5b8cd38d61be56aa06da8f892d3e13969;hp=7850ded675a3bb75ce892e2f74d75fcb915561ab;hb=fc93b2bdc2ced1d46fefb91fe79391afded8e504;hpb=a3dbc7949a29a2abe9c7e75f2d893f99d36d6256

diff --git a/include/babeltrace/compiler.h b/include/babeltrace/compiler.h
index 7850ded6..c8bb4db5 100644
--- a/include/babeltrace/compiler.h
+++ b/include/babeltrace/compiler.h
@@ -3,4 +3,12 @@
 
 #define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
 
+#ifndef container_of
+#define container_of(ptr, type, member)					\
+	({								\
+		const typeof(((type *)NULL)->member) * __ptr = (ptr);	\
+		(type *)((char *)__ptr - offsetof(type, member));	\
+	})
+#endif
+
 #endif /* _BABELTRACE_COMPILER_H */