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atomic: add atomic_load_sub_store

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David Goldblatt 2020-05-29 13:21:41 -07:00 • committed by David Goldblatt
parent f1f4ec315a
commit 3cf19c6e5e
1 changed files with 7 additions and 0 deletions
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7
include/jemalloc/internal/atomic.h
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@ -63,6 +63,13 @@
type oldval = atomic_load_##short_type(a, ATOMIC_RELAXED); \ type oldval = atomic_load_##short_type(a, ATOMIC_RELAXED); \
type newval = oldval + inc; \ type newval = oldval + inc; \
atomic_store_##short_type(a, newval, ATOMIC_RELAXED); \ 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); \
} }
/* /*