1 files changed, 82 insertions, 0 deletions
diff --git a/REORG.TODO/stdlib/cxa_finalize.c b/REORG.TODO/stdlib/cxa_finalize.c
new file mode 100644
index 0000000000..aa0a70cb58
--- /dev/null
+++ b/REORG.TODO/stdlib/cxa_finalize.c
@@ -0,0 +1,82 @@
+/* Copyright (C) 1999-2017 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 <assert.h>
+#include <stdlib.h>
+#include <atomic.h>
+#include "exit.h"
+#include <fork.h>
+#include <sysdep.h>
+#include <stdint.h>
+
+/* If D is non-NULL, call all functions registered with `__cxa_atexit'
+   with the same dso handle.  Otherwise, if D is NULL, call all of the
+   registered handlers.  */
+void
+__cxa_finalize (void *d)
+{
+  struct exit_function_list *funcs;
+
+ restart:
+  for (funcs = __exit_funcs; funcs; funcs = funcs->next)
+    {
+      struct exit_function *f;
+
+      for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f)
+	{
+	  void (*cxafn) (void *arg, int status);
+	  void *cxaarg;
+
+	  if ((d == NULL || d == f->func.cxa.dso_handle)
+	      /* We don't want to run this cleanup more than once.  */
+	      && (cxafn = f->func.cxa.fn,
+		  cxaarg = f->func.cxa.arg,
+		  ! catomic_compare_and_exchange_bool_acq (&f->flavor, ef_free,
+							   ef_cxa)))
+	    {
+	      uint64_t check = __new_exitfn_called;
+
+#ifdef PTR_DEMANGLE
+	      PTR_DEMANGLE (cxafn);
+#endif
+	      cxafn (cxaarg, 0);
+
+	      /* It is possible that that last exit function registered
+		 more exit functions.  Start the loop over.  */
+	      if (__glibc_unlikely (check != __new_exitfn_called))
+		goto restart;
+	    }
+	}
+    }
+
+  /* Also remove the quick_exit handlers, but do not call them.  */
+  for (funcs = __quick_exit_funcs; funcs; funcs = funcs->next)
+    {
+      struct exit_function *f;
+
+      for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f)
+	if (d == NULL || d == f->func.cxa.dso_handle)
+	  f->flavor = ef_free;
+    }
+
+  /* Remove the registered fork handlers.  We do not have to
+     unregister anything if the program is going to terminate anyway.  */
+#ifdef UNREGISTER_ATFORK
+  if (d != NULL)
+    UNREGISTER_ATFORK (d);
+#endif
+}