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incubator-nuttx
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spinlock: add __cplusplus check to avoid build break with C++ 

stdatomic.h is incompatible with C++

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-11-12 21:50:20 +08:00 committed by Xiang Xiao
parent 3b2c585ab7
commit 74d698f439
1 changed files with 22 additions and 7 deletions
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21
include/nuttx/spinlock.h
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@ -32,7 +32,16 @@
#include <nuttx/irq.h>
#ifdef CONFIG_RW_SPINLOCK
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#if defined(CONFIG_RW_SPINLOCK) && !defined(__cplusplus)
# include <stdatomic.h>
typedef atomic_int rwlock_t;
# define RW_SP_UNLOCKED 0
@ -500,7 +509,7 @@ void spin_unlock_irqrestore_wo_note(FAR spinlock_t *lock, irqstate_t flags);
# define spin_unlock_irqrestore_wo_note(l, f) up_irq_restore(f)
#endif
#ifdef CONFIG_RW_SPINLOCK
#if defined(CONFIG_RW_SPINLOCK) && !defined(__cplusplus)
/****************************************************************************
* Name: rwlock_init
@ -808,5 +817,11 @@ void write_unlock_irqrestore(FAR rwlock_t *lock, irqstate_t flags);
# define write_unlock_irqrestore(l, f) up_irq_restore(f)
#endif
#endif /* CONFIG_RW_SPINLOCK */
#endif /* CONFIG_RW_SPINLOCK && !__cplusplus */
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_NUTTX_SPINLOCK_H */