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12#define SPA_ATOMIC_CAS(v,ov,nv) \
14 __typeof__(v) __ov = (ov); \
15 __atomic_compare_exchange_n(&(v), &__ov, (nv), \
16 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \
19#define SPA_ATOMIC_DEC(s) __atomic_sub_fetch(&(s), 1, __ATOMIC_SEQ_CST)
20#define SPA_ATOMIC_INC(s) __atomic_add_fetch(&(s), 1, __ATOMIC_SEQ_CST)
21#define SPA_ATOMIC_LOAD(s) __atomic_load_n(&(s), __ATOMIC_SEQ_CST)
22#define SPA_ATOMIC_STORE(s,v) __atomic_store_n(&(s), (v), __ATOMIC_SEQ_CST)
23#define SPA_ATOMIC_XCHG(s,v) __atomic_exchange_n(&(s), (v), __ATOMIC_SEQ_CST)
25#define SPA_SEQ_WRITE(s) SPA_ATOMIC_INC(s)
26#define SPA_SEQ_WRITE_SUCCESS(s1,s2) ((s1) + 1 == (s2) && ((s2) & 1) == 0)
28#define SPA_SEQ_READ(s) SPA_ATOMIC_LOAD(s)
29#define SPA_SEQ_READ_SUCCESS(s1,s2) ((s1) == (s2) && ((s2) & 1) == 0)