/* 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 <errno.h>

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

static pthread_barrier_t bar;

static void *

tf (void *arg)

{

  if (pthread_barrier_wait (&bar) != 0)

    {

      puts ("tf: barrier_wait failed");

      exit (1);

    }

  return (void *) 1l;

}

static int

do_test (void)

{

  if (pthread_barrier_init (&bar, NULL, 3) != 0)

    {

      puts ("barrier_init failed");

      exit (1);

    }

  pthread_attr_t a;

  if (pthread_attr_init (&a) != 0)

    {

      puts ("attr_init failed");

      exit (1);

    }

  if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)

    {

      puts ("attr_setstacksize failed");

      return 1;

    }

  pthread_t th[2];

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

    {

      puts ("1st create failed");

      exit (1);

    }

  if (pthread_attr_setdetachstate (&a, PTHREAD_CREATE_DETACHED) != 0)

    {

      puts ("attr_setdetachstate failed");

      exit (1);

    }

  if (pthread_create (&th[1], &a, tf, NULL) != 0)

    {

      puts ("1st create failed");

      exit (1);

    }

  if (pthread_attr_destroy (&a) != 0)

    {

      puts ("attr_destroy failed");

      exit (1);

    }

  if (pthread_detach (th[0]) != 0)

    {

      puts ("could not detach 1st thread");

      exit (1);

    }

  int err = pthread_detach (th[0]);

  if (err == 0)

    {

      puts ("second detach of 1st thread succeeded");

      exit (1);

    }

  if (err != EINVAL)

    {

      printf ("second detach of 1st thread returned %d, not EINVAL\n", err);

      exit (1);

    }

  err = pthread_detach (th[1]);

  if (err == 0)

    {

      puts ("detach of 2nd thread succeeded");

      exit (1);

    }

  if (err != EINVAL)

    {

      printf ("detach of 2nd thread returned %d, not EINVAL\n", err);

      exit (1);

    }

  exit (0);

}

#define TEST_FUNCTION do_test ()

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