排程器鉤子函式如何使用？
可以使用函式 rt_scheduler_sethook(scheduler_hook);來設定乙個排程器鉤子，括號裡面的函式就是你自己的鉤子函式。
/*
* 在排程器鉤子中列印執行緒切換資訊
*/#include #define thread_stack_size 1024
#define thread_priority 20
#define thread_timeslice 10
/* 針對每個執行緒的計數器 */
volatile rt_uint32_t count[2];
/* 執行緒1、2共用乙個入口，但入口引數不同 */
static void thread_entry(void* parameter)
}static rt_thread_t tid1 = rt_null;
static rt_thread_t tid2 = rt_null;
static void scheduler_hook(struct rt_thread* from, struct rt_thread* to)
int sch_hook_sample()
/* 匯出到 msh 命令列表中 */
msh_cmd_export(sch_hook_sample, sch_hook sample);
\ | /
- rt - thread operating system
/ | \ 3.1.0 build aug 27 2018
msh >sch_hook_sample
msh >from: tshell --> to: thread1
thread 1 is running
from: thread1 --> to: thread2
thread 2 is running
from: thread2 --> to: tidle
from: tidle --> to: thread1
thread 1 is running
from: thread1 --> to: tidle
from: tidle --> to: thread2
thread 2 is running
from: thread2 --> to: tidle
from: tidle --> to: thread1
thread 1 is running
from: thread1 --> to: tidle
from: tidle --> to: thread2
thread 2 is running
from: thread2 --> to: tidle
from: tidle --> to: thread1
thread 1 is running
from: thread1 --> to: tidle
from: tidle --> to: thread2
thread 2 is running
from: thread2 --> to: tidle
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