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/* $OpenBSD: spinlock.h,v 1.1 2017/09/05 02:40:54 guenther Exp $ */
/*
* Copyright (c) 2017 Philip Guenther <guenther@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _LIBC_MACHINE_SPINLOCK_H_
#define _LIBC_MACHINE_SPINLOCK_H_
#include_next <machine/spinlock.h>
__BEGIN_HIDDEN_DECLS
int _atomic_lock(volatile _atomic_lock_t *);
__END_HIDDEN_DECLS
#endif /* !_LIBC_MACHINE_SPINLOCK_H_ */
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