/* Copyright (C) 2004-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.

   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

   <http://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"