1 /* Verify that DSO is unloaded only if its TLS objects are destroyed - the DSO.
2 Copyright (C) 2013-2022 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 <https://www.gnu.org/licenses/>. */
18
19 #include <stdlib.h>
20 #include <dso_handle.h>
21
22 typedef struct
23 {
24 void *val;
25 } A;
26
27 /* We only care about the destructor. */
A_dtor(void * obj)28 void A_dtor (void *obj)
29 {
30 ((A *)obj)->val = obj;
31 }
32
reg_dtor(void)33 void reg_dtor (void)
34 {
35 static __thread A b;
36 __cxa_thread_atexit_impl (A_dtor, &b, __dso_handle);
37 }
38