1 files changed, 8 insertions, 1 deletions

diff --git a/src/lib/libc/stdlib/atexit.h b/src/lib/libc/stdlib/atexit.h
index d9bfed852f..f2fa7bd83f 100644
--- a/src/lib/libc/stdlib/atexit.h
+++ b/src/lib/libc/stdlib/atexit.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: atexit.h,v 1.11 2017/12/05 13:45:31 kettenis Exp $ */
+/*      $OpenBSD: atexit.h,v 1.12 2017/12/16 20:06:56 guenther Exp $ */
 
 /*
  * Copyright (c) 2002 Daniel Hartmeier
@@ -41,6 +41,13 @@ struct atexit {
         } fns[1];                       /* the table itself */
 };
 
+/* a chain of these are hung off each thread's TIB's tib_atexit member */
+struct thread_atexit_fn {
+        void (*func)(void *);
+        void *arg;
+        struct thread_atexit_fn *next;
+};
+
 __BEGIN_HIDDEN_DECLS
 extern struct atexit *__atexit;         /* points to head of LIFO stack */
 __END_HIDDEN_DECLS