/* Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.

   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 <limits.h>

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

static pthread_key_t key;

static int rounds;

static void

destr (void *arg)

{

  ++rounds;

  if (pthread_setspecific (key, (void *) 1l) != 0)

    {

      puts ("destr: setspecific failed");

      exit (1);

    }

}

static void *

tf (void *arg)

{

  if (pthread_setspecific (key, (void *) 1l) != 0)

    {

      puts ("tf: setspecific failed");

      exit (1);

    }

  return NULL;

}

/* This test check non-standard behavior.  The standard does not

   require that the implementation has to stop calling TSD destructors

   when they are set over and over again.  But NPTL does.  */

static int

do_test (void)

{

  /* Allocate two keys, both with destructors.  */

  if (pthread_key_create (&key, destr) != 0)

    {

      puts ("key_create failed");

      return 1;

    }

  pthread_t th;

  if (pthread_create (&th, NULL, tf, NULL) != 0)

    {

      puts ("create failed");

      return 1;

    }

  if (pthread_join (th, NULL) != 0)

    {

      puts ("join failed");

      return 1;

    }

  if (rounds < PTHREAD_DESTRUCTOR_ITERATIONS)

    {

      printf ("rounds == %d, PTHREAD_DESTRUCTOR_ITERATIONS = %d\n",

	      rounds, PTHREAD_DESTRUCTOR_ITERATIONS);

      return 1;

    }

  if (pthread_getspecific (key) != NULL)

    {

      puts ("key data != NULL");

      return 1;

    }

  return 0;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"