X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fcompiler.h;h=fb8b8293ca132f683f9639c3a2502e934d17c326;hp=fcab5ea591e83e21efa471df038b2500efde3ad8;hb=453629a9317adef5b96c3d55e4dcd98db680997a;hpb=e90ad78457151a8faec9d77934b292f458082386

diff --git a/urcu/compiler.h b/urcu/compiler.h
index fcab5ea..fb8b829 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -55,4 +55,10 @@
 #define BITS_PER_LONG	32
 #endif
 
+#define container_of(ptr, type, member)					\
+	({								\
+		const typeof(((type *)NULL)->member) * __ptr = (ptr);	\
+		(type *)((char *)__ptr - offsetof(type, member));	\
+	})
+
 #endif /* _URCU_COMPILER_H */