1/* Thread-local variable holding the dlerror result.
2 Copyright (C) 2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <dlerror.h>
20
21/* This pointer is either NULL, dl_action_result_malloc_failed (), or
22 has been allocated using malloc by the namespace that also contains
23 this instance of the thread-local variable. */
24__thread struct dl_action_result *__libc_dlerror_result attribute_tls_model_ie;
25
26/* Called during thread shutdown to free resources. */
27void
28__libc_dlerror_result_free (void)
29{
30 if (__libc_dlerror_result != NULL)
31 {
32 if (__libc_dlerror_result != dl_action_result_malloc_failed)
33 {
34 dl_action_result_errstring_free (__libc_dlerror_result);
35 free (__libc_dlerror_result);
36 }
37 __libc_dlerror_result = NULL;
38 }
39}
40