diff options
| author | Warner Losh <imp@FreeBSD.org> | 2025-02-05 23:20:13 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2025-02-05 23:20:13 +0000 |
| commit | 48ec896efb0b78141df004eaa21288b84590c9da (patch) | |
| tree | 33799792fd95c266d472ab1ae51d50ab4f942eb3 /include/jemalloc/internal/atomic.h | |
| parent | d28d7fbede216494aa3942af042cc084fcd6098a (diff) | |
Diffstat (limited to 'include/jemalloc/internal/atomic.h')
| -rw-r--r-- | include/jemalloc/internal/atomic.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/include/jemalloc/internal/atomic.h b/include/jemalloc/internal/atomic.h index a76f54cee3f4..c0f73122accd 100644 --- a/include/jemalloc/internal/atomic.h +++ b/include/jemalloc/internal/atomic.h @@ -52,6 +52,27 @@ #define ATOMIC_SEQ_CST atomic_memory_order_seq_cst /* + * Another convenience -- simple atomic helper functions. + */ +#define JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(type, short_type, \ + lg_size) \ + JEMALLOC_GENERATE_INT_ATOMICS(type, short_type, lg_size) \ + ATOMIC_INLINE void \ + atomic_load_add_store_##short_type(atomic_##short_type##_t *a, \ + type inc) { \ + type oldval = atomic_load_##short_type(a, ATOMIC_RELAXED); \ + type newval = oldval + inc; \ + atomic_store_##short_type(a, newval, ATOMIC_RELAXED); \ + } \ + ATOMIC_INLINE void \ + atomic_load_sub_store_##short_type(atomic_##short_type##_t *a, \ + type inc) { \ + type oldval = atomic_load_##short_type(a, ATOMIC_RELAXED); \ + type newval = oldval - inc; \ + atomic_store_##short_type(a, newval, ATOMIC_RELAXED); \ + } + +/* * Not all platforms have 64-bit atomics. If we do, this #define exposes that * fact. */ @@ -67,18 +88,18 @@ JEMALLOC_GENERATE_ATOMICS(void *, p, LG_SIZEOF_PTR) */ JEMALLOC_GENERATE_ATOMICS(bool, b, 0) -JEMALLOC_GENERATE_INT_ATOMICS(unsigned, u, LG_SIZEOF_INT) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(unsigned, u, LG_SIZEOF_INT) -JEMALLOC_GENERATE_INT_ATOMICS(size_t, zu, LG_SIZEOF_PTR) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(size_t, zu, LG_SIZEOF_PTR) -JEMALLOC_GENERATE_INT_ATOMICS(ssize_t, zd, LG_SIZEOF_PTR) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(ssize_t, zd, LG_SIZEOF_PTR) -JEMALLOC_GENERATE_INT_ATOMICS(uint8_t, u8, 0) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(uint8_t, u8, 0) -JEMALLOC_GENERATE_INT_ATOMICS(uint32_t, u32, 2) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(uint32_t, u32, 2) #ifdef JEMALLOC_ATOMIC_U64 -JEMALLOC_GENERATE_INT_ATOMICS(uint64_t, u64, 3) +JEMALLOC_GENERATE_EXPANDED_INT_ATOMICS(uint64_t, u64, 3) #endif #undef ATOMIC_INLINE |