#ifndef _ASM_GENERIC_ATOMIC_H#define _ASM_GENERIC_ATOMIC_H/* * Copyright (C) 2005 Silicon Graphics, Inc. *	Christoph Lameter <clameter@sgi.com> * * Allows to provide arch independent atomic definitions without the need to * edit all arch specific atomic.h files. */ #include <asm/types.h> /* * Suppport for atomic_long_t * * Casts for parameters are avoided for existing atomic functions in order to * avoid issues with cast-as-lval under gcc 4.x and other limitations that the * macros of a platform may have. */ #if BITS_PER_LONG == 64 typedef atomic64_t atomic_long_t; #define ATOMIC_LONG_INIT(i)	ATOMIC64_INIT(i) static inline long atomic_long_read(atomic_long_t *l){	atomic64_t *v = (atomic64_t *)l; 	return (long)atomic64_read(v);} static inline void atomic_long_set(atomic_long_t *l, long i){	atomic64_t *v = (atomic64_t *)l; 	atomic64_set(v, i);} static inline void atomic_long_inc(atomic_long_t *l){	atomic64_t *v = (atomic64_t *)l; 	atomic64_inc(v);} static inline void atomic_long_dec(atomic_long_t *l){	atomic64_t *v = (atomic64_t *)l; 	atomic64_dec(v);} static inline void atomic_long_add(long i, atomic_long_t *l){	atomic64_t *v = (atomic64_t *)l; 	atomic64_add(i, v);} static inline void atomic_long_sub(long i, atomic_long_t *l){	atomic64_t *v = (atomic64_t *)l; 	atomic64_sub(i, v);} #else  /*  BITS_PER_LONG == 64  */ typedef atomic_t atomic_long_t; #define ATOMIC_LONG_INIT(i)	ATOMIC_INIT(i)static inline long atomic_long_read(atomic_long_t *l){	atomic_t *v = (atomic_t *)l; 	return (long)atomic_read(v);} static inline void atomic_long_set(atomic_long_t *l, long i){	atomic_t *v = (atomic_t *)l; 	atomic_set(v, i);} static inline void atomic_long_inc(atomic_long_t *l){	atomic_t *v = (atomic_t *)l; 	atomic_inc(v);} static inline void atomic_long_dec(atomic_long_t *l){	atomic_t *v = (atomic_t *)l; 	atomic_dec(v);} static inline void atomic_long_add(long i, atomic_long_t *l){	atomic_t *v = (atomic_t *)l; 	atomic_add(i, v);} static inline void atomic_long_sub(long i, atomic_long_t *l){	atomic_t *v = (atomic_t *)l; 	atomic_sub(i, v);} #endif  /*  BITS_PER_LONG == 64  */ #endif  /*  _ASM_GENERIC_ATOMIC_H  */