1 /* Bug 20198: Do not call object destructors at exit.
2    Copyright (C) 2016-2021 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    <https://www.gnu.org/licenses/>.  */
18 
19 #include <errno.h>
20 #include <pthread.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 
24 struct A
25 {
~AA26   ~A () { abort (); }
27 };
28 
29 thread_local A a1;
30 thread_local A a2;
31 
32 void
33 __attribute__ ((noinline, noclone))
optimization_barrier(A &)34 optimization_barrier (A &)
35 {
36 }
37 
38 /* Call std::quick_exit from a non-main thread.  */
39 void *
non_main_thread(void *)40 non_main_thread (void *)
41 {
42   optimization_barrier (a1);
43   /* The C++11 standard in 18.5.12 says:
44      "Objects shall not be destroyed as a result of calling
45       quick_exit."
46      If quick_exit calls the destructors the test aborts.  */
47   quick_exit (0);
48 }
49 
50 static int
do_test()51 do_test()
52 {
53   optimization_barrier (a2);
54   pthread_t thr;
55   int ret = pthread_create (&thr, NULL, non_main_thread, NULL);
56   if (ret != 0)
57     {
58       errno = ret;
59       printf ("error: pthread_create: %m\n");
60     }
61   pthread_join (thr, NULL);
62   return 1;
63 }
64 
65 #define TEST_FUNCTION do_test ()
66 #include "../test-skeleton.c"
67