21 extern long long atomic64_read(const atomic64_t *v);
22 extern void	 atomic64_set(atomic64_t *v, long long i);
25 extern void	 atomic64_##op(long long a, atomic64_t *v);
28 extern long long atomic64_##op##_return(long long a, atomic64_t *v);
39 extern long long atomic64_dec_if_positive(atomic64_t *v);
40 extern long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n);
41 extern long long atomic64_xchg(atomic64_t *v, long long new);
42 extern int	 atomic64_add_unless(atomic64_t *v, long long a, long long u);
44 #define atomic64_add_negative(a, v)	(atomic64_add_return((a), (v)) < 0)  argument
45 #define atomic64_inc(v)			atomic64_add(1LL, (v))  argument
46 #define atomic64_inc_return(v)		atomic64_add_return(1LL, (v))  argument
47 #define atomic64_inc_and_test(v) 	(atomic64_inc_return(v) == 0)  argument
48 #define atomic64_sub_and_test(a, v)	(atomic64_sub_return((a), (v)) == 0)  argument
49 #define atomic64_dec(v)			atomic64_sub(1LL, (v))  argument
50 #define atomic64_dec_return(v)		atomic64_sub_return(1LL, (v))  argument
51 #define atomic64_dec_and_test(v)	(atomic64_dec_return((v)) == 0)  argument
52 #define atomic64_inc_not_zero(v) 	atomic64_add_unless((v), 1LL, 0LL)  argument