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1 | /* Verify that TLS access in separate thread in a dlopened library does not |
2 | deadlock - the module. | |
04277e02 | 3 | Copyright (C) 2015-2019 Free Software Foundation, Inc. |
e400f3cc SP |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <stdio.h> | |
5e4e1063 | 21 | #include <stdlib.h> |
34e3f83f | 22 | #include <string.h> |
e400f3cc SP |
23 | #include <pthread.h> |
24 | #include <atomic.h> | |
25 | ||
26 | static pthread_t th; | |
27 | static int running = 1; | |
28 | ||
29 | static void * | |
30 | test_run (void *p) | |
31 | { | |
32 | while (atomic_load_relaxed (&running)) | |
33 | printf ("Test running\n"); | |
34 | printf ("Test finished\n"); | |
35 | return NULL; | |
36 | } | |
37 | ||
38 | static void __attribute__ ((constructor)) | |
39 | do_init (void) | |
40 | { | |
41 | int ret = pthread_create (&th, NULL, test_run, NULL); | |
42 | ||
43 | if (ret != 0) | |
44 | { | |
45 | printf ("failed to create thread: %s (%d)\n", strerror (ret), ret); | |
46 | exit (1); | |
47 | } | |
48 | } | |
49 | ||
50 | static void __attribute__ ((destructor)) | |
51 | do_end (void) | |
52 | { | |
53 | atomic_store_relaxed (&running, 0); | |
54 | int ret = pthread_join (th, NULL); | |
55 | ||
56 | if (ret != 0) | |
57 | { | |
58 | printf ("pthread_join: %s(%d)\n", strerror (ret), ret); | |
59 | exit (1); | |
60 | } | |
61 | ||
62 | printf ("Thread joined\n"); | |
63 | } |