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Remove the pre-C11-atomics API, which is now unused

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David Goldblatt
2017-04-04 18:40:37 -07:00
committed by David Goldblatt
parent 074f2256ca
commit eeabdd2466
2 changed files with 0 additions and 90 deletions
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45
include/jemalloc/internal/atomic.h
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@@ -52,69 +52,24 @@
# define JEMALLOC_ATOMIC_U64
#endif
/*
* In order to let us transition atomics usage piecemeal (and reason locally
* about memory orders), we'll support the previous API for a while.
*/
#define JEMALLOC_GENERATE_COMPATABILITY_ATOMICS(type, short_type) \
ATOMIC_INLINE type \
atomic_read_##short_type(type *p) { \
return atomic_load_##short_type ((atomic_##short_type##_t *)p, \
ATOMIC_SEQ_CST); \
} \
\
ATOMIC_INLINE void \
atomic_write_##short_type(type *p, const type val) { \
atomic_store_##short_type((atomic_##short_type##_t *)p, \
(type)val, ATOMIC_SEQ_CST); \
} \
ATOMIC_INLINE bool \
atomic_cas_##short_type(type *p, type c, type s) { \
/* Note the '!' -- atomic_cas inverts the usual semantics. */ \
return !atomic_compare_exchange_strong_##short_type( \
(atomic_##short_type##_t *)p, &c, s, ATOMIC_SEQ_CST, \
ATOMIC_SEQ_CST); \
}
#define JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(type, short_type) \
JEMALLOC_GENERATE_COMPATABILITY_ATOMICS(type, short_type) \
\
ATOMIC_INLINE type \
atomic_add_##short_type(type *p, type x) { \
return atomic_fetch_add_##short_type( \
(atomic_##short_type##_t *)p, x, ATOMIC_SEQ_CST) + x; \
} \
ATOMIC_INLINE type \
atomic_sub_##short_type(type *p, type x) { \
return atomic_fetch_sub_##short_type( \
(atomic_##short_type##_t *)p, x, ATOMIC_SEQ_CST) - x; \
}
JEMALLOC_GENERATE_ATOMICS(void *, p, LG_SIZEOF_PTR)
JEMALLOC_GENERATE_COMPATABILITY_ATOMICS(void *, p)
/*
* There's no actual guarantee that sizeof(bool) == 1, but it's true on the only
* platform that actually needs to know the size, MSVC.
*/
JEMALLOC_GENERATE_ATOMICS(bool, b, 0)
JEMALLOC_GENERATE_COMPATABILITY_ATOMICS(bool, b)
JEMALLOC_GENERATE_INT_ATOMICS(unsigned, u, LG_SIZEOF_INT)
JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(unsigned, u)
JEMALLOC_GENERATE_INT_ATOMICS(size_t, zu, LG_SIZEOF_PTR)
JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(size_t, zu)
JEMALLOC_GENERATE_INT_ATOMICS(ssize_t, zd, LG_SIZEOF_PTR)
JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(ssize_t, zd)
JEMALLOC_GENERATE_INT_ATOMICS(uint32_t, u32, 2)
JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(uint32_t, u32)
#ifdef JEMALLOC_ATOMIC_U64
JEMALLOC_GENERATE_INT_ATOMICS(uint64_t, u64, 3)
JEMALLOC_GENERATE_COMPATABILITY_INT_ATOMICS(uint64_t, u64)
#endif
#undef ATOMIC_INLINE