/* Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   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/>.  */

/* NOTE: this tests functionality beyond POSIX.  POSIX does not allow

   exit to be called more than once.  */

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

static pthread_barrier_t b;

static void *

tf (void *arg)

{

  int r = pthread_barrier_wait (&b);

  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)

    {

      puts ("barrier_wait failed");

      exit (1);

    }

  exit (0);

}

static int

do_test (void)

{

  if (pthread_barrier_init (&b, NULL, 2) != 0)

    {

      puts ("barrier_init failed");

      exit (1);

    }

  pthread_t th;

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

    {

      puts ("create failed");

      exit (1);

    }

  int r = pthread_barrier_wait (&b);

  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)

    {

      puts ("barrier_wait failed");

      exit (1);

    }

  /* Do nothing.  */

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

    {

      puts ("join succeeded!?");

      exit (1);

    }

  puts ("join returned!?");

  exit (1);

}

#define TEST_FUNCTION do_test ()

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