/* Test of once-only execution in multithreaded situations.

   Copyright (C) 2018-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2018.  */

#include <config.h>

#include "glthread/lock.h"

#include "macros.h"

gl_once_define(static, a_once)

static int a;

static void

a_init (void)

{

  a = 42;

}

int

main ()

{

  gl_once (a_once, a_init);

  ASSERT (a == 42);

  return 0;

}