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/* Test of spin locks in multithreaded situations.
Copyright (C) 2005, 2008-2026 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>, 2020. */
#include <config.h>
/* Specification. */
#include "glthread/spin.h"
gl_spinlock_define_initialized (, global_spin_lock)
int
main (void)
{
/* Check a spin-lock initialized through the constant initializer. */
{
gl_spinlock_lock (global_spin_lock);
gl_spinlock_unlock (global_spin_lock);
}
/* Check a spin-lock initialized through gl_spinlock_init. */
{
gl_spinlock_define (, local_spin_lock)
gl_spinlock_init (local_spin_lock);
for (int i = 0; i < 10; i++)
{
gl_spinlock_lock (local_spin_lock);
gl_spinlock_unlock (local_spin_lock);
}
gl_spinlock_destroy (local_spin_lock);
}
return 0;
}
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