1 files changed, 41 insertions, 0 deletions
diff --git a/REORG.TODO/stdlib/on_exit.c b/REORG.TODO/stdlib/on_exit.c
new file mode 100644
index 0000000000..83845e76d8
--- /dev/null
+++ b/REORG.TODO/stdlib/on_exit.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 1991-2017 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdlib.h>
+#include "exit.h"
+#include <atomic.h>
+#include <sysdep.h>
+
+/* Register a function to be called by exit.  */
+int
+__on_exit (void (*func) (int status, void *arg), void *arg)
+{
+  struct exit_function *new = __new_exitfn (&__exit_funcs);
+
+  if (new == NULL)
+    return -1;
+
+#ifdef PTR_MANGLE
+  PTR_MANGLE (func);
+#endif
+  new->func.on.fn = func;
+  new->func.on.arg = arg;
+  atomic_write_barrier ();
+  new->flavor = ef_on;
+  return 0;
+}
+weak_alias (__on_exit, on_exit)