summaryrefslogtreecommitdiff
path: root/stdlib/cxa_atexit.c
diff options
context:
space:
mode:
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;
}
}