1 files changed, 19 insertions, 0 deletions
diff --git a/libobjc/objc-private/selector.h b/libobjc/objc-private/selector.h
index 490e171..1832a79 100644
--- a/libobjc/objc-private/selector.h
+++ b/libobjc/objc-private/selector.h
@@ -28,6 +28,25 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 /* Private runtime functions that may go away or be rewritten or
    replaced.  */
 
+/*
+** Definition of a selector.  Selectors themselves are not unique, but
+** the sel_id is a unique identifier.
+*/
+struct objc_selector
+{
+  void *sel_id;
+  const char *sel_types;
+};
+
+inline static BOOL
+sel_eq (SEL s1, SEL s2)
+{
+  if (s1 == 0 || s2 == 0)
+    return s1 == s2;
+  else
+    return s1->sel_id == s2->sel_id;
+}
+
 /* Number of selectors stored in each of the selector tables.  */
 extern unsigned int __objc_selector_max_index;