/* $OpenBSD: spinlock.h,v 1.1 2017/09/05 02:40:54 guenther Exp $ */ /* * Copyright (c) 2017 Philip Guenther * * 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 __BEGIN_HIDDEN_DECLS int _atomic_lock(volatile _atomic_lock_t *); __END_HIDDEN_DECLS #endif /* !_LIBC_MACHINE_SPINLOCK_H_ */