/* 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>

int

do_test (void)

{

  int c = pthread_getconcurrency ();

  if (c != 0)

    {

      puts ("initial concurrencylevel wrong");

      exit (1);

    }

  if (pthread_setconcurrency (1) != 0)

    {

      puts ("setconcurrency failed");

      exit (1);

    }

  c = pthread_getconcurrency ();

  if (c != 1)

    {

      puts ("getconcurrency didn't return the value previous set");

      exit (1);

    }

  int e = pthread_setconcurrency (-1);

  if (e == 0)

    {

      puts ("setconcurrency of negative value didn't failed");

      exit (1);

    }

  if (e != EINVAL)

    {

      puts ("setconcurrency didn't return EINVAL for negative value");

      exit (1);

    }

  c = pthread_getconcurrency ();

  if (c != 1)

    {

      puts ("invalid getconcurrency changed level");

      exit (1);

    }

  return 0;

}

#define TEST_FUNCTION do_test ()

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