Remove unwanted malloc changes, again.
[glibc.git] / nptl / tst-backtrace1.c
blob903c4937433c0f06c7deddeae900c1939807f77f
1 /* Copyright (C) 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <execinfo.h>
21 #include <pthread.h>
22 #include <stdio.h>
24 #define BT_SIZE 64
25 void *bt_array[BT_SIZE];
26 int bt_cnt;
28 int
29 do_bt (void)
31 bt_cnt = backtrace (bt_array, BT_SIZE);
32 return 56;
35 int
36 call_do_bt (void)
38 return do_bt () + 1;
41 void *
42 tf (void *arg)
44 if (call_do_bt () != 57)
45 return (void *) 1L;
46 return NULL;
49 int
50 do_test (void)
52 pthread_t th;
53 if (pthread_create (&th, NULL, tf, NULL))
55 puts ("create failed");
56 return 1;
59 void *res;
60 if (pthread_join (th, &res))
62 puts ("join failed");
63 return 1;
66 if (res != NULL)
68 puts ("thread failed");
69 return 1;
72 char **text = backtrace_symbols (bt_array, bt_cnt);
73 if (text == NULL)
75 puts ("backtrace_symbols failed");
76 return 1;
79 for (int i = 0; i < bt_cnt; ++i)
80 puts (text[i]);
82 return 0;
85 #define TEST_FUNCTION do_test ()
86 #include "../test-skeleton.c"