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fada9018 | 1 | /* Thread-local variable holding the dlerror result. |
581c785b | 2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
fada9018 FW |
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. */ | |
27 | void | |
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 | } |