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Commit bb2382c3 authored by Mathieu Desnoyers's avatar Mathieu Desnoyers Committed by Linus Torvalds
Browse files

atomic.h: complete atomic_long operations in asm-generic 



Signed-off-by: default avatarMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e96e6994

include/asm-generic/atomic.h

+133 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
 */



#include <asm/types.h>

#include <asm/system.h>



/*

 * Suppport for atomic_long_t
@@ -66,6 +67,72 @@ static inline void atomic_long_sub(long i, atomic_long_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);

}



#define atomic_long_add_unless(l, a, u) \

	atomic64_add_unless((atomic64_t *)(l), (a), (u))



#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))



#define atomic_long_cmpxchg(l, old, new) \

	(atomic_cmpxchg((atomic64_t *)(l), (old), (new)))

#define atomic_long_xchg(v, new) \

	(atomic_xchg((atomic64_t *)(l), (new)))



#else  /*  BITS_PER_LONG == 64  */



typedef atomic_t atomic_long_t;
@@ -113,6 +180,72 @@ static inline void atomic_long_sub(long i, atomic_long_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);

}



#define atomic_long_add_unless(l, a, u) \

	atomic_add_unless((atomic_t *)(l), (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 *)(l), (new)))



#endif  /*  BITS_PER_LONG == 64  */



#endif  /*  _ASM_GENERIC_ATOMIC_H  */