+++ /dev/null
-#ifndef _URCU_COMPILER_H
-#define _URCU_COMPILER_H
-
-/*
- * compiler.h
- *
- * Compiler definitions.
- *
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- */
-
-#include <stddef.h> /* for offsetof */
-
-#define caa_likely(x) __builtin_expect(!!(x), 1)
-#define caa_unlikely(x) __builtin_expect(!!(x), 0)
-
-#define cmm_barrier() __asm__ __volatile__ ("" : : : "memory")
-
-/*
- * Instruct the compiler to perform only a single access to a variable
- * (prohibits merging and refetching). The compiler is also forbidden to reorder
- * successive instances of CMM_ACCESS_ONCE(), but only when the compiler is aware of
- * particular ordering. Compiler ordering can be ensured, for example, by
- * putting two CMM_ACCESS_ONCE() in separate C statements.
- *
- * This macro does absolutely -nothing- to prevent the CPU from reordering,
- * merging, or refetching absolutely anything at any time. Its main intended
- * use is to mediate communication between process-level code and irq/NMI
- * handlers, all running on the same CPU.
- */
-#define CMM_ACCESS_ONCE(x) (*(__volatile__ __typeof__(x) *)&(x))
-
-#ifndef caa_max
-#define caa_max(a,b) ((a)>(b)?(a):(b))
-#endif
-
-#ifndef caa_min
-#define caa_min(a,b) ((a)<(b)?(a):(b))
-#endif
-
-#if defined(__SIZEOF_LONG__)
-#define CAA_BITS_PER_LONG (__SIZEOF_LONG__ * 8)
-#elif defined(_LP64)
-#define CAA_BITS_PER_LONG 64
-#else
-#define CAA_BITS_PER_LONG 32
-#endif
-
-/*
- * caa_container_of - Get the address of an object containing a field.
- *
- * @ptr: pointer to the field.
- * @type: type of the object.
- * @member: name of the field within the object.
- */
-#define caa_container_of(ptr, type, member) \
- __extension__ \
- ({ \
- const __typeof__(((type *) NULL)->member) * __ptr = (ptr); \
- (type *)((char *)__ptr - offsetof(type, member)); \
- })
-
-#define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); }))
-#define CAA_BUILD_BUG_ON(cond) ((void)CAA_BUILD_BUG_ON_ZERO(cond))
-
-/*
- * __rcu is an annotation that documents RCU pointer accesses that need
- * to be protected by a read-side critical section. Eventually, a static
- * checker will be able to use this annotation to detect incorrect RCU
- * usage.
- */
-#define __rcu
-
-#ifdef __cplusplus
-#define URCU_FORCE_CAST(type, arg) (reinterpret_cast<type>(arg))
-#else
-#define URCU_FORCE_CAST(type, arg) ((type) (arg))
-#endif
-
-#define caa_is_signed_type(type) ((type) -1 < (type) 0)
-
-/*
- * Cast to unsigned long, sign-extending if @v is signed.
- * Note: casting to a larger type or to same type size keeps the sign of
- * the expression being cast (see C99 6.3.1.3).
- */
-#define caa_cast_long_keep_sign(v) ((unsigned long) (v))
-
-#if defined (__GNUC__) \
- && ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5) \
- || __GNUC__ >= 5)
-#define CDS_DEPRECATED(msg) \
- __attribute__((deprecated(msg)))
-#else
-#define CDS_DEPRECATED(msg) \
- __attribute__((deprecated))
-#endif
-
-#define CAA_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-/*
- * Don't allow compiling with buggy compiler.
- */
-
-#ifdef __GNUC__
-# define URCU_GCC_VERSION (__GNUC__ * 10000 \
- + __GNUC_MINOR__ * 100 \
- + __GNUC_PATCHLEVEL__)
-
-/*
- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
- */
-# ifdef __ARMEL__
-# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
-# error Your gcc version produces clobbered frame accesses
-# endif
-# endif
-#endif
-
-#endif /* _URCU_COMPILER_H */
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