nuttx: rework atomic operations - #19802

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zhangyu-duck wants to merge 16 commits into

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zhangyu-duck:atomic-upstream

Commits on Aug 12, 2026

nuttx/libc: arch_atomic.c use irq switching instead of spinlock
zhangyuduck
committed
5260e67
nuttx/include/atomic.h: adjust the logic of "defined(__has_include)"
zhangyuduck
committed
9c1ca90
nuttx/include/atomic.h: adjust the logic of "__ATOMIC_xxx"
zhangyuduck
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55783fe
nuttx/libc: refine the atomic related Kconfig
zhangyuduck
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f317cfa
sched/task: tg_nchildren is atomic type, correct the usage
zhangyuduck
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b800465
nuttx: use unified interface in <nuttx/atomic.h>
zhangyuduck
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1500ce1
nuttx/atomic: select LIBC_ATOMIC_IRQ for chips without atomic support
zhangyuduck
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1d1fcd1
nuttx/hwspinlock: hwspinlock should based on irq instead of spinlock_irq
zhangyuduck
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61bf993
arch/arm/src: add hwspinlock driver for cxd56, rp2040 and lc823450
zhangyuduck
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712256d
libc/machine: realize atomic based on hwspinlock
zhangyuduck
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1d24bed
arch/arm/src: realize atomic for cxd56, rp2040 and lc823450
zhangyuduck
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50e6dd6
nuttx/arch: add <nuttx/atomic.h> include for apache ci
zhangyuduck
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2272917
nuttx/atomic: for builtin atomic, a wrapper is used to unify the names.
zhangyuduck
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90aa71d
nuttx/atomic: use toolchain builtin atomic function
zhangyuduck
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9c9ea5e
nuttx/atomic: replace atomic_fetch_xxx with atomic_xxx just like zephyr
zhangyuduck
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e1826a7
nuttx/atomic.h: use _Atomic define atomic_t.
zhangyuduck
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29c889b