函数
void	aos_spin_lock_init (aos_spinlock_t *spinlock)

void	aos_spin_lock (aos_spinlock_t *spinlock)

void	aos_spin_unlock (aos_spinlock_t *spinlock)

aos_irqsave_t	aos_spin_lock_irqsave (aos_spinlock_t *spinlock)

void	aos_spin_unlock_irqrestore (aos_spinlock_t *spinlock, aos_irqsave_t flag)

详细描述

提供AliOS Things系统内核自旋锁功能的基础API.

类型定义说明

在文件 kernel.h 第 200 行定义.

void aos_spin_lock ( aos_spinlock_t * spinlock )

Lock a spinlock.

参数

[in] spinlock spinlock object.

void aos_spin_lock_init ( aos_spinlock_t * spinlock )

Init a spinlock.

参数

[in] spinlock pointer of spinlock object,spinlock object must be alloced.

aos_irqsave_t aos_spin_lock_irqsave ( aos_spinlock_t * spinlock )

Lock a spinlock in ISR.

参数

[in] spinlock spinlock object.

void aos_spin_unlock ( aos_spinlock_t * spinlock )

Unlock a spinlock.

参数

[in] spinlock spinlock object.

void aos_spin_unlock_irqrestore	(	aos_spinlock_t *	spinlock,
		aos_irqsave_t	flag
	)

Unlock a spinlock in ISR.

参数

[in]	spinlock	spinlock object.
[in]	flag	CPSR value.