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Merge branch 'ondrej/add-all-isc-atomic-defines' into 'master'

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Add most useful relaxed and acquire-relase stdatomic convenience macros

See merge request isc-projects/bind9!1935
This commit is contained in:
Ondřej Surý
2019-05-13 03:03:17 -04:00
parent 976d62aa23 ab389695b0
commit e02228125e
1 changed files with 33 additions and 4 deletions
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37
lib/isc/include/isc/atomic.h
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@@ -21,7 +21,36 @@
* We define a few additional macros to make things easier
*/
#define atomic_store_relaxed(o, v) atomic_store_explicit((o), \
(v), \
memory_order_relaxed)
#define atomic_load_relaxed(o) atomic_load_explicit((o), memory_order_relaxed)
/* Relaxed Memory Ordering */
#define atomic_store_relaxed(o, v) \
atomic_store_explicit((o), (v), memory_order_relaxed)
#define atomic_load_relaxed(o) \
atomic_load_explicit((o), memory_order_relaxed)
#define atomic_fetch_add_relaxed(o, v) \
atomic_fetch_add_explicit((o), (v), memory_order_relaxed)
#define atomic_fetch_sub_relaxed(o, v) \
atomic_fetch_sub_explicit((o), (v), memory_order_relaxed)
#define atomic_exchange_relaxed(o, v) \
atomic_exchange_explicit((o), (v), memory_order_relaxed)
#define atomic_compare_exchange_weak_relaxed(o, e, d) \
atomic_compare_exchange_weak_explicit((o), (e), (d), \
memory_order_relaxed, \
memory_order_relaxed)
/* Acquire-Release Memory Ordering */
#define atomic_store_release(o, v) \
atomic_store_explicit((o), (v), memory_order_release)
#define atomic_load_acquire(o) \
atomic_load_explicit((o), memory_order_acquire)
#define atomic_fetch_add_acquire(o, v) \
atomic_fetch_add_explicit((o), (v), memory_order_acquire)
#define atomic_fetch_sub_release(o, v) \
atomic_fetch_sub_explicit((o), (v), memory_order_release)
#define atomic_exchange_acq_rel(o, v) \
atomic_exchange_explicit((o), (v), memory_order_acq_rel)
#define atomic_compare_exchange_weak_acq_rel(o, e, d) \
atomic_compare_exchange_weak_explicit((o), (e), (d), \
memory_order_acq_rel, \
memory_order_acquire)