| /* |
| * Copyright (c) 2010 Isilon Systems, Inc. |
| * Copyright (c) 2010 iXsystems, Inc. |
| * Copyright (c) 2010 Panasas, Inc. |
| * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. |
| * Copyright (c) 2015 François Tigeot |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice unmodified, this list of conditions, and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * $FreeBSD$ |
| */ |
| #ifndef _LINUX_COMPILER_H_ |
| #define _LINUX_COMPILER_H_ |
| |
| #include <sys/cdefs.h> |
| |
| #define __user |
| #define __kernel |
| #define __safe |
| #define __force |
| #define __nocast |
| #define __iomem |
| #define __chk_user_ptr(x) ((void)0) |
| #define __chk_io_ptr(x) ((void)0) |
| #define __builtin_warning(x, y...) (1) |
| #define __acquires(x) |
| #define __releases(x) |
| #define __acquire(x) do { } while (0) |
| #define __release(x) do { } while (0) |
| #define __cond_lock(x, c) (c) |
| #define __bitwise |
| #define __devinitdata |
| #define __deprecated |
| #define __init |
| #define __initconst |
| #define __devinit |
| #define __devexit |
| #define __exit |
| #define __rcu |
| #define __percpu |
| #define __weak __weak_symbol |
| #define __malloc |
| #define ___stringify(...) #__VA_ARGS__ |
| #define __stringify(...) ___stringify(__VA_ARGS__) |
| #define __attribute_const__ __attribute__((__const__)) |
| #undef __always_inline |
| #define __always_inline inline |
| #define noinline __noinline |
| #define ____cacheline_aligned __aligned(CACHE_LINE_SIZE) |
| #define fallthrough __attribute__((__fallthrough__)) |
| |
| #if !defined(_KERNEL) && !defined(_STANDALONE) |
| #define likely(x) __builtin_expect(!!(x), 1) |
| #define unlikely(x) __builtin_expect(!!(x), 0) |
| #endif |
| #define typeof(x) __typeof(x) |
| |
| #define uninitialized_var(x) x = x |
| #define __maybe_unused __unused |
| #define __always_unused __unused |
| #define __must_check __result_use_check |
| |
| #define __printf(a, b) __printflike(a, b) |
| |
| #define barrier() __asm__ __volatile__("": : :"memory") |
| #define ___PASTE(a, b) a##b |
| #define __PASTE(a, b) ___PASTE(a, b) |
| |
| #define ACCESS_ONCE(x) (*(volatile __typeof(x) *)&(x)) |
| |
| #define WRITE_ONCE(x, v) do { \ |
| barrier(); \ |
| ACCESS_ONCE(x) = (v); \ |
| barrier(); \ |
| } while (0) |
| |
| #define lockless_dereference(p) READ_ONCE(p) |
| |
| #define _AT(T, X) ((T)(X)) |
| |
| #endif /* _LINUX_COMPILER_H_ */ |
