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Diffstat (limited to 'stdlib/cxa_atexit.c')
-rw-r--r--stdlib/cxa_atexit.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/stdlib/cxa_atexit.c b/stdlib/cxa_atexit.c
index 3bdf871e53..767f08e66b 100644
--- a/stdlib/cxa_atexit.c
+++ b/stdlib/cxa_atexit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2001, 2002, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1999,2001,2002,2005,2006,2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -26,13 +26,13 @@
 
 #undef __cxa_atexit
 
-/* Register a function to be called by exit or when a shared library
-   is unloaded.  This function is only called from code generated by
-   the C++ compiler.  */
+
 int
-__cxa_atexit (void (*func) (void *), void *arg, void *d)
+attribute_hidden
+__internal_atexit (void (*func) (void *), void *arg, void *d,
+		   struct exit_function_list **listp)
 {
-  struct exit_function *new = __new_exitfn ();
+  struct exit_function *new = __new_exitfn (listp);
 
   if (new == NULL)
     return -1;
@@ -47,6 +47,16 @@ __cxa_atexit (void (*func) (void *), void *arg, void *d)
   new->flavor = ef_cxa;
   return 0;
 }
+
+
+/* Register a function to be called by exit or when a shared library
+   is unloaded.  This function is only called from code generated by
+   the C++ compiler.  */
+int
+__cxa_atexit (void (*func) (void *), void *arg, void *d)
+{
+  return __internal_atexit (func, arg, d, &__exit_funcs);
+}
 INTDEF(__cxa_atexit)
 
 
@@ -59,7 +69,7 @@ struct exit_function_list *__exit_funcs = &initial;
 uint64_t __new_exitfn_called;
 
 struct exit_function *
-__new_exitfn (void)
+__new_exitfn (struct exit_function_list **listp)
 {
   struct exit_function_list *p = NULL;
   struct exit_function_list *l;
@@ -68,7 +78,7 @@ __new_exitfn (void)
 
   __libc_lock_lock (lock);
 
-  for (l = __exit_funcs; l != NULL; p = l, l = l->next)
+  for (l = *listp; l != NULL; p = l, l = l->next)
     {
       for (i = l->idx; i > 0; --i)
 	if (l->fns[i - 1].flavor != ef_free)
@@ -92,8 +102,8 @@ __new_exitfn (void)
 	    calloc (1, sizeof (struct exit_function_list));
 	  if (p != NULL)
 	    {
-	      p->next = __exit_funcs;
-	      __exit_funcs = p;
+	      p->next = *listp;
+	      *listp = p;
 	    }
 	}