80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2019 Justin Hibbits
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_ATOMIC64E_H_
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#define _SYS_ATOMIC64E_H_
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#ifndef _MACHINE_ATOMIC_H_
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#error "This should not be included directly. Include <machine/atomic.h>"
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#endif
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#ifdef _KERNEL
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#define HAS_EMULATED_ATOMIC64
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/* Emulated versions of 64-bit atomic operations. */
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void atomic_add_64(volatile u_int64_t *, u_int64_t);
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#define atomic_add_acq_64 atomic_add_64
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#define atomic_add_rel_64 atomic_add_64
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int atomic_cmpset_64(volatile u_int64_t *, u_int64_t, u_int64_t);
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#define atomic_cmpset_acq_64 atomic_cmpset_64
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#define atomic_cmpset_rel_64 atomic_cmpset_64
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void atomic_clear_64(volatile u_int64_t *, u_int64_t);
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#define atomic_clear_acq_64 atomic_clear_64
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#define atomic_clear_rel_64 atomic_clear_64
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int atomic_fcmpset_64(volatile u_int64_t *, u_int64_t *, u_int64_t);
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#define atomic_fcmpset_acq_64 atomic_fcmpset_64
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#define atomic_fcmpset_rel_64 atomic_fcmpset_64
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u_int64_t atomic_fetchadd_64(volatile u_int64_t *, u_int64_t);
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u_int64_t atomic_load_64(volatile u_int64_t *);
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#define atomic_load_acq_64 atomic_load_64
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void atomic_readandclear_64(volatile u_int64_t *);
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void atomic_set_64(volatile u_int64_t *, u_int64_t);
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#define atomic_set_acq_64 atomic_set_64
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#define atomic_set_rel_64 atomic_set_64
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void atomic_subtract_64(volatile u_int64_t *, u_int64_t);
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#define atomic_subtract_acq_64 atomic_subtract_64
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#define atomic_subtract_rel_64 atomic_subtract_64
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void atomic_store_64(volatile u_int64_t *, u_int64_t);
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#define atomic_store_rel_64 atomic_store_64
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u_int64_t atomic_swap_64(volatile u_int64_t *, u_int64_t);
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#endif /* _KERNEL */
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#endif /* _SYS_ATOMIC64E_H_ */
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