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#ifndef _ASM_GENERIC_ATOMIC_LONG_H
#define _ASM_GENERIC_ATOMIC_LONG_H
/*
* Copyright (C) 2005 Silicon Graphics, Inc.
* Christoph Lameter
*
* 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);
}
static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_sub_and_test(i, v);
}
static inline int atomic_long_dec_and_test(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_dec_and_test(v);
}
static inline int atomic_long_inc_and_test(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_inc_and_test(v);
}
static inline int atomic_long_add_negative(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_add_negative(i, v);
}
static inline long atomic_long_add_return(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_add_return(i, v);
}
static inline long atomic_long_sub_return(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_sub_return(i, v);
}
static inline long atomic_long_inc_return(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_inc_return(v);
}
static inline long atomic_long_dec_return(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_dec_return(v);
}
static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_add_unless(v, a, u);
}
#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))
#define atomic_long_cmpxchg(l, old, new) \
(atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
(atomic64_xchg((atomic64_t *)(v), (new)))
#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);
}
static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_sub_and_test(i, v);
}
static inline int atomic_long_dec_and_test(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_dec_and_test(v);
}
static inline int atomic_long_inc_and_test(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_inc_and_test(v);
}
static inline int atomic_long_add_negative(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_add_negative(i, v);
}
static inline long atomic_long_add_return(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_add_return(i, v);
}
static inline long atomic_long_sub_return(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_sub_return(i, v);
}
static inline long atomic_long_inc_return(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_inc_return(v);
}
static inline long atomic_long_dec_return(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_dec_return(v);
}
static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_add_unless(v, a, u);
}
#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l))
#define atomic_long_cmpxchg(l, old, new) \
(atomic_cmpxchg((atomic_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
(atomic_xchg((atomic_t *)(v), (new)))
#endif /* BITS_PER_LONG == 64 */
#endif /* _ASM_GENERIC_ATOMIC_LONG_H */