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2b778ceb | 1 | /* Copyright (C) 2004-2021 Free Software Foundation, Inc. |
249a3d0c | 2 | This file is part of the GNU C Library. |
249a3d0c UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
249a3d0c UD |
17 | |
18 | #include <execinfo.h> | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | ||
22 | #define BT_SIZE 64 | |
23 | void *bt_array[BT_SIZE]; | |
24 | int bt_cnt; | |
25 | ||
26 | int | |
27 | do_bt (void) | |
28 | { | |
29 | bt_cnt = backtrace (bt_array, BT_SIZE); | |
30 | return 56; | |
31 | } | |
32 | ||
33 | int | |
34 | call_do_bt (void) | |
35 | { | |
36 | return do_bt () + 1; | |
37 | } | |
38 | ||
39 | void * | |
40 | tf (void *arg) | |
41 | { | |
42 | if (call_do_bt () != 57) | |
43 | return (void *) 1L; | |
44 | return NULL; | |
45 | } | |
46 | ||
47 | int | |
48 | do_test (void) | |
49 | { | |
50 | pthread_t th; | |
51 | if (pthread_create (&th, NULL, tf, NULL)) | |
52 | { | |
53 | puts ("create failed"); | |
54 | return 1; | |
55 | } | |
56 | ||
57 | void *res; | |
58 | if (pthread_join (th, &res)) | |
59 | { | |
60 | puts ("join failed"); | |
61 | return 1; | |
62 | } | |
63 | ||
64 | if (res != NULL) | |
65 | { | |
66 | puts ("thread failed"); | |
67 | return 1; | |
68 | } | |
69 | ||
70 | char **text = backtrace_symbols (bt_array, bt_cnt); | |
71 | if (text == NULL) | |
72 | { | |
73 | puts ("backtrace_symbols failed"); | |
74 | return 1; | |
75 | } | |
76 | ||
77 | for (int i = 0; i < bt_cnt; ++i) | |
78 | puts (text[i]); | |
79 | ||
80 | return 0; | |
81 | } | |
82 | ||
83 | #define TEST_FUNCTION do_test () | |
84 | #include "../test-skeleton.c" |