/* 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/>.  */

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

#include <time.h>

#define N 100

static pthread_once_t once = PTHREAD_ONCE_INIT;

static int global;

static void

once_handler (void)

{

  struct timespec ts;

  ++global;

  ts.tv_sec = 2;

  ts.tv_nsec = 0;

  nanosleep (&ts, NULL);

}

static void *

tf (void *arg)

{

  pthread_once (&once, once_handler);

  if (global != 1)

    {

      printf ("thread %ld: global == %d\n", (long int) arg, global);

      exit (1);

    }

  return NULL;

}

static int

do_test (void)

{

  pthread_attr_t at;

  pthread_t th[N];

  int cnt;

  if (pthread_attr_init (&at) != 0)

    {

      puts ("attr_init failed");

      return 1;

    }

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

    {

      puts ("attr_setstacksize failed");

      return 1;

    }

  for (cnt = 0; cnt < N; ++cnt)

    if (pthread_create (&th[cnt], &at, tf, (void *) (long int) cnt) != 0)

      {

	printf ("creation of thread %d failed\n", cnt);

	return 1;

      }

  if (pthread_attr_destroy (&at) != 0)

    {

      puts ("attr_destroy failed");

      return 1;

    }

  for (cnt = 0; cnt < N; ++cnt)

    if (pthread_join (th[cnt], NULL) != 0)

      {

	printf ("join of thread %d failed\n", cnt);

	return 1;

      }

  return 0;

}

#define TEST_FUNCTION do_test ()

#define TIMEOUT 4

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