rtatomic.h 文件参考

#include <rthw.h>

rtatomic.h 的引用(Include)关系图:

此图展示该文件被哪些文件直接或间接地引用了:

浏览该文件的源代码.

宏定义
#define	rt_atomic_load(ptr)
#define	rt_atomic_store(ptr, v)
#define	rt_atomic_add(ptr, v)
#define	rt_atomic_sub(ptr, v)
#define	rt_atomic_and(ptr, v)
#define	rt_atomic_or(ptr, v)
#define	rt_atomic_xor(ptr, v)
#define	rt_atomic_exchange(ptr, v)
#define	rt_atomic_flag_clear(ptr)
#define	rt_atomic_flag_test_and_set(ptr)
#define	rt_atomic_compare_exchange_strong(ptr, v, des)

函数
rt_atomic_t	rt_hw_atomic_load (volatile rt_atomic_t *ptr)
void	rt_hw_atomic_store (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_add (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_sub (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_and (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_or (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_xor (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_atomic_t	rt_hw_atomic_exchange (volatile rt_atomic_t *ptr, rt_atomic_t val)
void	rt_hw_atomic_flag_clear (volatile rt_atomic_t *ptr)
rt_atomic_t	rt_hw_atomic_flag_test_and_set (volatile rt_atomic_t *ptr)
rt_atomic_t	rt_hw_atomic_compare_exchange_strong (volatile rt_atomic_t *ptr, rt_atomic_t *expected, rt_atomic_t desired)
rt_inline rt_atomic_t	rt_soft_atomic_exchange (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_add (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_sub (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_xor (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_and (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_or (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_load (volatile rt_atomic_t *ptr)
rt_inline void	rt_soft_atomic_store (volatile rt_atomic_t *ptr, rt_atomic_t val)
rt_inline rt_atomic_t	rt_soft_atomic_flag_test_and_set (volatile rt_atomic_t *ptr)
rt_inline void	rt_soft_atomic_flag_clear (volatile rt_atomic_t *ptr)
rt_inline rt_atomic_t	rt_soft_atomic_compare_exchange_strong (volatile rt_atomic_t *ptr1, rt_atomic_t *ptr2, rt_atomic_t desired)
rt_inline rt_bool_t	rt_atomic_dec_and_test (volatile rt_atomic_t *ptr)
rt_inline rt_atomic_t	rt_atomic_fetch_add_unless (volatile rt_atomic_t *ptr, rt_atomic_t a, rt_atomic_t u)
rt_inline rt_bool_t	rt_atomic_add_unless (volatile rt_atomic_t *ptr, rt_atomic_t a, rt_atomic_t u)
rt_inline rt_bool_t	rt_atomic_inc_not_zero (volatile rt_atomic_t *ptr)
rt_inline void	rt_ll_slist_init (rt_ll_slist_t *l)
rt_inline void	rt_ll_slist_enqueue (rt_ll_slist_t *l, rt_ll_slist_t *n)
rt_inline rt_ll_slist_t *	rt_ll_slist_dequeue (rt_ll_slist_t *l)

宏定义说明

rt_atomic_load

#define rt_atomic_load

(

ptr

)

值:

rt_soft_atomic_load(ptr)

在文件 rtatomic.h 第 63 行定义.

rt_atomic_store

#define rt_atomic_store	(		ptr,
			v )

值:

rt_soft_atomic_store(ptr, v)

在文件 rtatomic.h 第 64 行定义.

rt_atomic_add

#define rt_atomic_add	(		ptr,
			v )

值:

rt_soft_atomic_add(ptr, v)

在文件 rtatomic.h 第 65 行定义.

rt_atomic_sub

#define rt_atomic_sub	(		ptr,
			v )

值:

rt_soft_atomic_sub(ptr, v)

在文件 rtatomic.h 第 66 行定义.

rt_atomic_and

#define rt_atomic_and	(		ptr,
			v )

值:

rt_soft_atomic_and(ptr, v)

在文件 rtatomic.h 第 67 行定义.

rt_atomic_or

#define rt_atomic_or	(		ptr,
			v )

值:

rt_soft_atomic_or(ptr, v)

在文件 rtatomic.h 第 68 行定义.

rt_atomic_xor

#define rt_atomic_xor	(		ptr,
			v )

值:

rt_soft_atomic_xor(ptr, v)

在文件 rtatomic.h 第 69 行定义.

rt_atomic_exchange

#define rt_atomic_exchange	(		ptr,
			v )

值:

rt_soft_atomic_exchange(ptr, v)

在文件 rtatomic.h 第 70 行定义.

rt_atomic_flag_clear

#define rt_atomic_flag_clear

(

ptr

)

值:

rt_soft_atomic_flag_clear(ptr)

在文件 rtatomic.h 第 71 行定义.

rt_atomic_flag_test_and_set

#define rt_atomic_flag_test_and_set

(

ptr

)

值:

rt_soft_atomic_flag_test_and_set(ptr)

在文件 rtatomic.h 第 72 行定义.

rt_atomic_compare_exchange_strong

#define rt_atomic_compare_exchange_strong	(		ptr,
			v,
			des )

值:

rt_soft_atomic_compare_exchange_strong(ptr, v ,des)

在文件 rtatomic.h 第 73 行定义.

函数说明

rt_hw_atomic_load()

rt_atomic_t rt_hw_atomic_load

(

volatile rt_atomic_t *

ptr

)

rt_hw_atomic_store()

void rt_hw_atomic_store	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_add()

rt_atomic_t rt_hw_atomic_add	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_sub()

rt_atomic_t rt_hw_atomic_sub	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_and()

rt_atomic_t rt_hw_atomic_and	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_or()

rt_atomic_t rt_hw_atomic_or	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_xor()

rt_atomic_t rt_hw_atomic_xor	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_exchange()

rt_atomic_t rt_hw_atomic_exchange	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

rt_hw_atomic_flag_clear()

void rt_hw_atomic_flag_clear

(

volatile rt_atomic_t *

ptr

)

rt_hw_atomic_flag_test_and_set()

rt_atomic_t rt_hw_atomic_flag_test_and_set

(

volatile rt_atomic_t *

ptr

)

rt_hw_atomic_compare_exchange_strong()

rt_atomic_t rt_hw_atomic_compare_exchange_strong	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t *	expected,
		rt_atomic_t	desired )

rt_soft_atomic_exchange()

rt_inline rt_atomic_t rt_soft_atomic_exchange	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 75 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr = val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_add()

rt_inline rt_atomic_t rt_soft_atomic_add	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 86 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr += val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_sub()

rt_inline rt_atomic_t rt_soft_atomic_sub	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 97 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr -= val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_xor()

rt_inline rt_atomic_t rt_soft_atomic_xor	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 108 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr = (*ptr) ^ val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_and()

rt_inline rt_atomic_t rt_soft_atomic_and	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 119 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr = (*ptr) & val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_or()

rt_inline rt_atomic_t rt_soft_atomic_or	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 130 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    *ptr = (*ptr) | val;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_load()

rt_inline rt_atomic_t rt_soft_atomic_load

(

volatile rt_atomic_t *

ptr

)

在文件 rtatomic.h 第 141 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    temp = *ptr;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_store()

rt_inline void rt_soft_atomic_store	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	val )

在文件 rtatomic.h 第 151 行定义.

{
    rt_base_t level;
    level = rt_hw_interrupt_disable();
    *ptr = val;
    rt_hw_interrupt_enable(level);
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_flag_test_and_set()

rt_inline rt_atomic_t rt_soft_atomic_flag_test_and_set

(

volatile rt_atomic_t *

ptr

)

在文件 rtatomic.h 第 159 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    if (*ptr == 0)
    {
        temp = 0;
        *ptr = 1;
    }
    else
        temp = 1;
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_flag_clear()

rt_inline void rt_soft_atomic_flag_clear

(

volatile rt_atomic_t *

ptr

)

在文件 rtatomic.h 第 175 行定义.

{
    rt_base_t level;
    level = rt_hw_interrupt_disable();
    *ptr = 0;
    rt_hw_interrupt_enable(level);
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_soft_atomic_compare_exchange_strong()

rt_inline rt_atomic_t rt_soft_atomic_compare_exchange_strong	(	volatile rt_atomic_t *	ptr1,
		rt_atomic_t *	ptr2,
		rt_atomic_t	desired )

在文件 rtatomic.h 第 183 行定义.

{
    rt_base_t level;
    rt_atomic_t temp;
    level = rt_hw_interrupt_disable();
    if ((*ptr1) != (*ptr2))
    {
        *ptr2 = *ptr1;
        temp = 0;
    }
    else
    {
        *ptr1 = desired;
        temp = 1;
    }
    rt_hw_interrupt_enable(level);
    return temp;
}

引用了 rt_hw_interrupt_disable() , 以及 rt_hw_interrupt_enable().

函数调用图:

rt_atomic_dec_and_test()

rt_inline rt_bool_t rt_atomic_dec_and_test

(

volatile rt_atomic_t *

ptr

)

在文件 rtatomic.h 第 204 行定义.

{
    return rt_atomic_sub(ptr, 1) == 1;
}

引用了 rt_atomic_sub.

rt_atomic_fetch_add_unless()

rt_inline rt_atomic_t rt_atomic_fetch_add_unless	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	a,
		rt_atomic_t	u )

在文件 rtatomic.h 第 209 行定义.

{
    rt_atomic_t c = rt_atomic_load(ptr);
 
    do {
        if (c == u)
        {
            break;
        }
    } while (!rt_atomic_compare_exchange_strong(ptr, &c, c + a));
 
    return c;
}

引用了 rt_atomic_compare_exchange_strong , 以及 rt_atomic_load.

这是这个函数的调用关系图:

rt_atomic_add_unless()

rt_inline rt_bool_t rt_atomic_add_unless	(	volatile rt_atomic_t *	ptr,
		rt_atomic_t	a,
		rt_atomic_t	u )

在文件 rtatomic.h 第 223 行定义.

{
    return rt_atomic_fetch_add_unless(ptr, a, u) != u;
}

引用了 rt_atomic_fetch_add_unless().

函数调用图:

这是这个函数的调用关系图:

rt_atomic_inc_not_zero()

rt_inline rt_bool_t rt_atomic_inc_not_zero

(

volatile rt_atomic_t *

ptr

)

在文件 rtatomic.h 第 228 行定义.

{
    return rt_atomic_add_unless(ptr, 1, 0);
}

引用了 rt_atomic_add_unless().

函数调用图:

rt_ll_slist_init()

rt_inline void rt_ll_slist_init

(

rt_ll_slist_t *

l

)

initialize a lock-less single list

参数

l	the single list to be initialized

在文件 rtatomic.h 第 238 行定义.

{
    l->next = 0;
}

引用了 rt_lockless_slist_node::next.

rt_ll_slist_enqueue()

rt_inline void rt_ll_slist_enqueue	(	rt_ll_slist_t *	l,
		rt_ll_slist_t *	n )

在文件 rtatomic.h 第 243 行定义.

{
    rt_base_t exp;
    exp = rt_atomic_load(&l->next);
    do
    {
        n->next = exp;
    } while (!rt_atomic_compare_exchange_strong(&l->next, &exp, (rt_base_t)n));
}

引用了 rt_lockless_slist_node::next, rt_atomic_compare_exchange_strong , 以及 rt_atomic_load.

rt_ll_slist_dequeue()

rt_inline rt_ll_slist_t * rt_ll_slist_dequeue

(

rt_ll_slist_t *

l

)

在文件 rtatomic.h 第 253 行定义.

{
    rt_base_t exp;
    rt_ll_slist_t *head;
 
    exp = rt_atomic_load(&l->next);
    do
    {
        head = (rt_ll_slist_t *)exp;
    } while (head && !rt_atomic_compare_exchange_strong(&l->next, &exp, rt_atomic_load(&head->next)));
    return head;
}

引用了 rt_lockless_slist_node::next, rt_atomic_compare_exchange_strong , 以及 rt_atomic_load.