未验证 提交 b0dbdf42 编写于 作者: B Bernard Xiong 提交者: GitHub

Merge pull request #1621 from armink/fix_idle_hook

[idle] Add idle hook list.
......@@ -173,7 +173,8 @@ void rt_thread_inited_sethook (void (*hook)(rt_thread_t thread));
*/
void rt_thread_idle_init(void);
#if defined(RT_USING_HOOK) || defined(RT_USING_IDLE_HOOK)
void rt_thread_idle_sethook(void (*hook)(void));
rt_err_t rt_thread_idle_sethook(void (*hook)(void));
rt_err_t rt_thread_idle_delhook(void (*hook)(void));
#endif
void rt_thread_idle_excute(void);
rt_thread_t rt_thread_idle_gethandler(void);
......
......@@ -75,6 +75,15 @@ config RT_USING_HOOK
Enable the hook function when system running, such as idle thread hook,
thread context switch etc.
if RT_USING_HOOK
config RT_IDEL_HOOK_LIST_SIZE
int "The max size of idel hook list"
default 4
range 1 16
help
The system has a hook list. This is the hook list size.
endif
config IDLE_THREAD_STACK_SIZE
int "The stack size of idle thread"
default 256
......
......@@ -26,6 +26,7 @@
* dead thread.
* 2016-08-09 ArdaFu add method to get the handler of the idle thread.
* 2018-02-07 Bernard lock scheduler to protect tid->cleanup.
* 2018-07-14 armink add idle hook list
*/
#include <rthw.h>
......@@ -52,7 +53,12 @@ static rt_uint8_t rt_thread_stack[IDLE_THREAD_STACK_SIZE];
extern rt_list_t rt_thread_defunct;
#ifdef RT_USING_IDLE_HOOK
static void (*rt_thread_idle_hook)();
#ifndef RT_IDEL_HOOK_LIST_SIZE
#define RT_IDEL_HOOK_LIST_SIZE 4
#endif
static void (*idle_hook_list[RT_IDEL_HOOK_LIST_SIZE])();
/**
* @ingroup Hook
......@@ -61,12 +67,67 @@ static void (*rt_thread_idle_hook)();
*
* @param hook the specified hook function
*
* @return RT_EOK: set OK
* -RT_EFULL: hook list is full
*
* @note the hook function must be simple and never be blocked or suspend.
*/
void rt_thread_idle_sethook(void (*hook)(void))
rt_err_t rt_thread_idle_sethook(void (*hook)(void))
{
rt_thread_idle_hook = hook;
rt_size_t i;
rt_base_t level;
rt_err_t ret = -RT_EFULL;
/* disable interrupt */
level = rt_hw_interrupt_disable();
for (i = 0; i < RT_IDEL_HOOK_LIST_SIZE; i++)
{
if (idle_hook_list[i] == RT_NULL)
{
idle_hook_list[i] = hook;
ret = RT_EOK;
break;
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
return ret;
}
/**
* delete the idle hook on hook list
*
* @param hook the specified hook function
*
* @return RT_EOK: delete OK
* -RT_ENOSYS: hook was not found
*/
rt_err_t rt_thread_idle_delhook(void (*hook)(void))
{
rt_size_t i;
rt_base_t level;
rt_err_t ret = -RT_ENOSYS;
/* disable interrupt */
level = rt_hw_interrupt_disable();
for (i = 0; i < RT_IDEL_HOOK_LIST_SIZE; i++)
{
if (idle_hook_list[i] == hook)
{
idle_hook_list[i] = RT_NULL;
ret = RT_EOK;
break;
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
return ret;
}
#endif
/* Return whether there is defunctional thread to be deleted. */
......@@ -174,12 +235,20 @@ void rt_thread_idle_excute(void)
static void rt_thread_idle_entry(void *parameter)
{
#ifdef RT_USING_IDLE_HOOK
rt_size_t i;
#endif
while (1)
{
#ifdef RT_USING_IDLE_HOOK
if (rt_thread_idle_hook != RT_NULL)
for (i = 0; i < RT_IDEL_HOOK_LIST_SIZE; i++)
{
rt_thread_idle_hook();
if (idle_hook_list[i] != RT_NULL)
{
idle_hook_list[i]();
}
}
#endif
......
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