version 1.1, 2007/04/12 15:15:58 |
version 1.1.10.1, 2007/11/18 19:35:56 |
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/* $NetBSD$ */ |
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/*- |
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* Copyright (c) 2007 The NetBSD Foundation, Inc. |
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* All rights reserved. |
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* |
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* This code is derived from software contributed to The NetBSD Foundation |
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* by Jason R. Thorpe. |
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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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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the NetBSD |
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* Foundation, Inc. and its contributors. |
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* 4. Neither the name of The NetBSD Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef _SYS_ATOMIC_H_ |
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#define _SYS_ATOMIC_H_ |
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#include <sys/types.h> |
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#if !defined(_KERNEL) |
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#include <stdint.h> |
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#endif |
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/* |
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* Atomic ADD |
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*/ |
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void atomic_add_8(volatile uint8_t *, int8_t); |
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void atomic_add_char(volatile unsigned char *, signed char); |
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void atomic_add_16(volatile uint16_t *, int16_t); |
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void atomic_add_short(volatile unsigned short *, short); |
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void atomic_add_32(volatile uint32_t *, int32_t); |
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void atomic_add_int(volatile unsigned int *, int); |
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void atomic_add_long(volatile unsigned long *, long); |
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void atomic_add_ptr(volatile void *, ssize_t); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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void atomic_add_64(volatile uint64_t *, int64_t); |
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#endif |
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uint8_t atomic_add_8_nv(volatile uint8_t *, int8_t); |
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unsigned char atomic_add_char_nv(volatile unsigned char *, signed char); |
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uint16_t atomic_add_16_nv(volatile uint16_t *, int16_t); |
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unsigned short atomic_add_short_nv(volatile unsigned short *, short); |
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uint32_t atomic_add_32_nv(volatile uint32_t *, int32_t); |
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unsigned int atomic_add_int_nv(volatile unsigned int *, int); |
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unsigned long atomic_add_long_nv(volatile unsigned long *, long); |
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void * atomic_add_ptr_nv(volatile void *, ssize_t); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_add_64_nv(volatile uint64_t *, int64_t); |
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#endif |
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/* |
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* Atomic AND |
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*/ |
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void atomic_and_8(volatile uint8_t *, uint8_t); |
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void atomic_and_uchar(volatile unsigned char *, unsigned char); |
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void atomic_and_16(volatile uint16_t *, uint16_t); |
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void atomic_and_ushort(volatile unsigned short *, unsigned short); |
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void atomic_and_32(volatile uint32_t *, uint32_t); |
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void atomic_and_uint(volatile unsigned int *, unsigned int); |
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void atomic_and_ulong(volatile unsigned long *, unsigned long); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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void atomic_and_64(volatile uint64_t *, uint64_t); |
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#endif |
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uint8_t atomic_and_8_nv(volatile uint8_t *, uint8_t); |
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unsigned char atomic_and_uchar_nv(volatile unsigned char *, unsigned char); |
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uint16_t atomic_and_16_nv(volatile uint16_t *, uint16_t); |
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unsigned short atomic_and_ushort_nv(volatile unsigned short *, unsigned short); |
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uint32_t atomic_and_32_nv(volatile uint32_t *, uint32_t); |
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unsigned int atomic_and_uint_nv(volatile unsigned int *, unsigned int); |
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unsigned long atomic_and_ulong_nv(volatile unsigned long *, unsigned long); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_and_64_nv(volatile uint64_t *, uint64_t); |
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#endif |
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/* |
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* Atomic OR |
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*/ |
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void atomic_or_8(volatile uint8_t *, uint8_t); |
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void atomic_or_uchar(volatile unsigned char *, unsigned char); |
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void atomic_or_16(volatile uint16_t *, uint16_t); |
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void atomic_or_ushort(volatile unsigned short *, unsigned short); |
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void atomic_or_32(volatile uint32_t *, uint32_t); |
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void atomic_or_uint(volatile unsigned int *, unsigned int); |
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void atomic_or_ulong(volatile unsigned long *, unsigned long); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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void atomic_or_64(volatile uint64_t *, uint64_t); |
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#endif |
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uint8_t atomic_or_8_nv(volatile uint8_t *, uint8_t); |
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unsigned char atomic_or_uchar_nv(volatile unsigned char *, unsigned char); |
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uint16_t atomic_or_16_nv(volatile uint16_t *, uint16_t); |
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unsigned short atomic_or_ushort_nv(volatile unsigned short *, unsigned short); |
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uint32_t atomic_or_32_nv(volatile uint32_t *, uint32_t); |
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unsigned int atomic_or_uint_nv(volatile unsigned int *, unsigned int); |
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unsigned long atomic_or_ulong_nv(volatile unsigned long *, unsigned long); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_or_64_nv(volatile uint64_t *, uint64_t); |
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#endif |
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/* |
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* Atomic COMPARE-AND-SWAP |
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*/ |
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uint8_t atomic_cas_8(volatile uint8_t *, uint8_t, uint8_t); |
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unsigned char atomic_cas_uchar(volatile unsigned char *, unsigned char, |
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unsigned char); |
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uint16_t atomic_cas_16(volatile uint16_t *, uint16_t, uint16_t); |
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unsigned short atomic_cas_ushort(volatile unsigned short *, unsigned short, |
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unsigned short); |
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uint32_t atomic_cas_32(volatile uint32_t *, uint32_t, uint32_t); |
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unsigned int atomic_cas_uint(volatile unsigned int *, unsigned int, |
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unsigned int); |
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unsigned long atomic_cas_ulong(volatile unsigned long *, unsigned long, |
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unsigned long); |
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void * atomic_cas_ptr(volatile void *, void *, void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_cas_64(volatile uint64_t *, uint64_t, uint64_t); |
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#endif |
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/* |
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* Atomic SWAP |
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*/ |
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uint8_t atomic_swap_8(volatile uint8_t *, uint8_t); |
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unsigned char atomic_swap_uchar(volatile unsigned char *, unsigned char); |
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uint16_t atomic_swap_16(volatile uint16_t *, uint16_t); |
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unsigned short atomic_swap_ushort(volatile unsigned short *, unsigned short); |
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uint32_t atomic_swap_32(volatile uint32_t *, uint32_t); |
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unsigned int atomic_swap_uint(volatile unsigned int *, unsigned int); |
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unsigned long atomic_swap_ulong(volatile unsigned long *, unsigned long); |
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void * atomic_swap_ptr(volatile void *, void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_swap_64(volatile uint64_t *, uint64_t); |
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#endif |
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/* |
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* Atomic DECREMENT |
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*/ |
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void atomic_dec_8(volatile uint8_t *); |
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void atomic_dec_uchar(volatile unsigned char *); |
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void atomic_dec_16(volatile uint16_t *); |
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void atomic_dec_ushort(volatile unsigned short *); |
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void atomic_dec_32(volatile uint32_t *); |
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void atomic_dec_uint(volatile unsigned int *); |
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void atomic_dec_ulong(volatile unsigned long *); |
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void atomic_dec_ptr(volatile void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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void atomic_dec_64(volatile uint64_t *); |
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#endif |
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uint8_t atomic_dec_8_nv(volatile uint8_t *); |
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unsigned char atomic_dec_uchar_nv(volatile unsigned char *); |
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uint16_t atomic_dec_16_nv(volatile uint16_t *); |
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unsigned short atomic_dec_ushort_nv(volatile unsigned short *); |
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uint32_t atomic_dec_32_nv(volatile uint32_t *); |
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unsigned int atomic_dec_uint_nv(volatile unsigned int *); |
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unsigned long atomic_dec_ulong_nv(volatile unsigned long *); |
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void * atomic_dec_ptr_nv(volatile void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_dec_64_nv(volatile uint64_t *); |
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#endif |
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/* |
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* Atomic INCREMENT |
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*/ |
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void atomic_inc_8(volatile uint8_t *); |
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void atomic_inc_uchar(volatile unsigned char *); |
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void atomic_inc_16(volatile uint16_t *); |
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void atomic_inc_ushort(volatile unsigned short *); |
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void atomic_inc_32(volatile uint32_t *); |
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void atomic_inc_uint(volatile unsigned int *); |
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void atomic_inc_ulong(volatile unsigned long *); |
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void atomic_inc_ptr(volatile void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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void atomic_inc_64(volatile uint64_t *); |
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#endif |
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uint8_t atomic_inc_8_nv(volatile uint8_t *); |
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unsigned char atomic_inc_uchar_nv(volatile unsigned char *); |
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uint16_t atomic_inc_16_nv(volatile uint16_t *); |
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unsigned short atomic_inc_ushort_nv(volatile unsigned short *); |
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uint32_t atomic_inc_32_nv(volatile uint32_t *); |
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unsigned int atomic_inc_uint_nv(volatile unsigned int *); |
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unsigned long atomic_inc_ulong_nv(volatile unsigned long *); |
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void * atomic_inc_ptr_nv(volatile void *); |
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#if defined(__HAVE_ATOMIC64_OPS) |
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uint64_t atomic_inc_64_nv(volatile uint64_t *); |
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#endif |
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/* |
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* Memory barrier operations |
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*/ |
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void membar_enter(void); |
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void membar_exit(void); |
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void membar_producer(void); |
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void membar_consumer(void); |
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void membar_sync(void); |
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void membar_write(void); |
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void membar_read(void); |
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#endif /* ! _SYS_ATOMIC_H_ */ |