/* Verify that TLS access in separate thread in a dlopened library does not

   deadlock - the module.

   Copyright (C) 2015-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <pthread.h>

#include <atomic.h>

static pthread_t th;

static int running = 1;

static void *

test_run (void *p)

{

  while (atomic_load_relaxed (&running))

    printf ("Test running\n");

  printf ("Test finished\n");

  return NULL;

}

static void __attribute__ ((constructor))

do_init (void)

{

  int ret = pthread_create (&th, NULL, test_run, NULL);

  if (ret != 0)

    {

      printf ("failed to create thread: %s (%d)\n", strerror (ret), ret);

      exit (1);

    }

}

static void __attribute__ ((destructor))

do_end (void)

{

  atomic_store_relaxed (&running, 0);

  int ret = pthread_join (th, NULL);

  if (ret != 0)

    {

      printf ("pthread_join: %s(%d)\n", strerror (ret), ret);

      exit (1);

    }

  printf ("Thread joined\n");

}