1 files changed, 10 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h
index 382a97ac10..ec93951a4f 100644
--- a/cpukit/score/include/rtems/score/basedefs.h
+++ b/cpukit/score/include/rtems/score/basedefs.h
@@ -217,6 +217,16 @@
  */
 #define RTEMS_ZERO_LENGTH_ARRAY 0
 
+/**
+ * @brief Returns a pointer to the container of a specified member pointer.
+ *
+ * @param[in] _m The pointer to a member of the container.
+ * @param[in] _type The type of the container.
+ * @param[in] _member_name The designator name of the container member.
+ */
+#define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \
+  ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) )
+
 #ifndef ASM
   #ifdef RTEMS_DEPRECATED_TYPES
     typedef bool boolean;