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/* Test of once-only execution in multithreaded situations.
Copyright (C) 2018-2022 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;
}
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