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nuttx/include/atomic.h: adjust the logic of "__ATOMIC_xxx"

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The memory order '__ATOMIC_xxx' is not a name specified by the standard.
To achieve uniformity, if it is not defined, it will be defined one by
one in the order of 0 to 5.

Signed-off-by: zhangyu117 <zhangyu117@xiaomi.com>
This commit is contained in:
zhangyu117 2026-08-13 22:20:39 +08:00 • committed by Xiang Xiao
parent 1c7a946dee
commit cfc35e2748
1 changed files with 19 additions and 1 deletions
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20
include/nuttx/atomic.h
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@ -77,13 +77,31 @@ typedef volatile _Atomic int64_t atomic64_t;
# endif
#endif
#ifndef ATOMIC_FUNC
#ifndef __ATOMIC_RELAXED
# define __ATOMIC_RELAXED 0
#endif
#ifndef __ATOMIC_CONSUME
# define __ATOMIC_CONSUME 1
#endif
#ifndef __ATOMIC_ACQUIRE
# define __ATOMIC_ACQUIRE 2
#endif
#ifndef __ATOMIC_RELEASE
# define __ATOMIC_RELEASE 3
#endif
#ifndef __ATOMIC_ACQ_REL
# define __ATOMIC_ACQ_REL 4
#endif
#ifndef __ATOMIC_SEQ_CST
# define __ATOMIC_SEQ_CST 5
#endif
#ifndef ATOMIC_FUNC
# define ATOMIC_FUNC(f, n) nx_atomic_##f##_##n