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atomic: Unify the compare_exchange functions of nx and stdatomic

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define nx_atomic_compare_exchange_weak and nx_atomic_compare_exchange_strong function

Signed-off-by: zhangyuan29 <zhangyuan29@xiaomi.com>
This commit is contained in:
zhangyuan29 2024-12-06 19:44:05 +08:00 committed by Xiang Xiao
parent 88239153b8
commit 46f8b3adaf
1 changed files with 9 additions and 0 deletions
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9
include/nuttx/atomic.h
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@ -81,6 +81,15 @@ extern "C++"
# define atomic_fetch_or(obj, val) ATOMIC_FUNC(fetch_or, 4)(obj, val, __ATOMIC_ACQ_REL)
# define atomic_fetch_xor(obj, val) ATOMIC_FUNC(fetch_xor, 4)(obj, val, __ATOMIC_ACQ_REL)
# define nx_atomic_compare_exchange_weak_4(obj, expect, desired, success, failure) \
nx_atomic_compare_exchange_4(obj, expect, desired, true, success, failure)
# define nx_atomic_compare_exchange_weak_8(obj, expect, desired, success, failure) \
nx_atomic_compare_exchange_8(obj, expect, desired, true, success, failure)
# define nx_atomic_compare_exchange_strong_4(obj, expect, desired, success, failure) \
nx_atomic_compare_exchange_4(obj, expect, desired, false, success, failure)
# define nx_atomic_compare_exchange_strong_8(obj, expect, desired, success, failure) \
nx_atomic_compare_exchange_8(obj, expect, desired, false, success, failure)
typedef volatile int32_t atomic_t;
typedef volatile int64_t atomic64_t;
#endif