[kernel][idle] Improve rt_thread_idle_sethook and rt_thread_idle_delhook code.
* 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>
@@ -75,6 +76,7 @@ rt_err_t rt_thread_idle_sethook(void (*hook)(void))
{
rt_size_t i;
rt_base_t level;
+ rt_err_t ret = -RT_EFULL;
/* disable interrupt */
level = rt_hw_interrupt_disable();
@@ -84,16 +86,14 @@ rt_err_t rt_thread_idle_sethook(void (*hook)(void))
if (idle_hook_list[i] == RT_NULL)
{
idle_hook_list[i] = hook;
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
-
- return RT_EOK;
+ ret = RT_EOK;
+ break;
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
- return -RT_EFULL;
+ return ret;
}
/**
@@ -108,6 +108,7 @@ 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();
@@ -117,16 +118,14 @@ rt_err_t rt_thread_idle_delhook(void (*hook)(void))
if (idle_hook_list[i] == hook)
{
idle_hook_list[i] = RT_NULL;
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
-
- return RT_EOK;
+ ret = RT_EOK;
+ break;
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
- return -RT_ENOSYS;
+ return ret;
}
#endif
