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/* Copyright (C) 2004-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <execinfo.h>
#include <pthread.h>
#include <stdio.h>
#define BT_SIZE 64
void *bt_array[BT_SIZE];
int bt_cnt;
int
do_bt (void)
{
bt_cnt = backtrace (bt_array, BT_SIZE);
return 56;
}
int
call_do_bt (void)
{
return do_bt () + 1;
}
void *
tf (void *arg)
{
if (call_do_bt () != 57)
return (void *) 1L;
return NULL;
}
int
do_test (void)
{
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL))
{
puts ("create failed");
return 1;
}
void *res;
if (pthread_join (th, &res))
{
puts ("join failed");
return 1;
}
if (res != NULL)
{
puts ("thread failed");
return 1;
}
char **text = backtrace_symbols (bt_array, bt_cnt);
if (text == NULL)
{
puts ("backtrace_symbols failed");
return 1;
}
for (int i = 0; i < bt_cnt; ++i)
puts (text[i]);
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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