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-rw-r--r--REORG.TODO/malloc/set-freeres.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/REORG.TODO/malloc/set-freeres.c b/REORG.TODO/malloc/set-freeres.c
new file mode 100644
index 0000000000..c9cdd819e7
--- /dev/null
+++ b/REORG.TODO/malloc/set-freeres.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1997-2017 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 <atomic.h>
+#include <stdlib.h>
+#include <set-hooks.h>
+#include <libc-internal.h>
+
+#include "../libio/libioP.h"
+
+DEFINE_HOOK (__libc_subfreeres, (void));
+
+symbol_set_define (__libc_freeres_ptrs);
+
+void __libc_freeres_fn_section
+__libc_freeres (void)
+{
+ /* This function might be called from different places. So better
+ protect for multiple executions since these are fatal. */
+ static long int already_called;
+
+ if (!atomic_compare_and_exchange_bool_acq (&already_called, 1, 0))
+ {
+ void *const *p;
+
+ _IO_cleanup ();
+
+ RUN_HOOK (__libc_subfreeres, ());
+
+ for (p = symbol_set_first_element (__libc_freeres_ptrs);
+ !symbol_set_end_p (__libc_freeres_ptrs, p); ++p)
+ free (*p);
+ }
+}
+libc_hidden_def (__libc_freeres)