rt-thread-official/examples/kernel/thread_delete.c

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/*
* 线
*
* 线线线
*/
#include <rtthread.h>
#include "tc_comm.h"
/*
* 线(rt_thread_delete)线线
* 访线线
* 访
*/
static rt_thread_t tid1 = RT_NULL, tid2 = RT_NULL;
/* 线程1的入口函数 */
static void thread1_entry(void* parameter)
{
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rt_uint32_t count = 0;
while (1)
{
/* 线程1采用低优先级运行一直打印计数值 */
// rt_kprintf("thread count: %d\n", count ++);
count ++;
}
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}
static void thread1_cleanup(struct rt_thread *tid)
{
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if (tid != tid1)
{
tc_stat(TC_STAT_END | TC_STAT_FAILED);
return ;
}
rt_kprintf("thread1 end\n");
tid1 = RT_NULL;
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}
/* 线程2的入口函数 */
static void thread2_entry(void* parameter)
{
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/* 线程2拥有较高的优先级以抢占线程1而获得执行 */
/* 线程2启动后先睡眠10个OS Tick */
rt_thread_delay(RT_TICK_PER_SECOND);
/*
* 线2线1线1线1线
*
*/
rt_thread_delete(tid1);
/*
* 线210OS Tick然后退出线2idle线程
* idle线程将执行真正的线程1控制块和线程栈的删除
*/
rt_thread_delay(RT_TICK_PER_SECOND);
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}
static void thread2_cleanup(struct rt_thread *tid)
{
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/*
* 线2(线线idle线
* )
*/
if (tid != tid2)
{
tc_stat(TC_STAT_END | TC_STAT_FAILED);
return ;
}
rt_kprintf("thread2 end\n");
tid2 = RT_NULL;
tc_done(TC_STAT_PASSED);
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}
/* 线程删除示例的初始化 */
int thread_delete_init()
{
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/* 创建线程1 */
tid1 = rt_thread_create("t1", /* 线程1的名称是t1 */
thread1_entry, RT_NULL, /* 入口是thread1_entry参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) /* 如果获得线程控制块,启动这个线程 */
{
tid1->cleanup = thread1_cleanup;
rt_thread_startup(tid1);
}
else
tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程1 */
tid2 = rt_thread_create("t2", /* 线程1的名称是t2 */
thread2_entry, RT_NULL, /* 入口是thread2_entry参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
if (tid2 != RT_NULL) /* 如果获得线程控制块,启动这个线程 */
{
tid2->cleanup = thread2_cleanup;
rt_thread_startup(tid2);
}
else
tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 10 * RT_TICK_PER_SECOND;
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}
#ifdef RT_USING_TC
static void _tc_cleanup()
{
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/* lock scheduler */
rt_enter_critical();
/* delete thread */
if (tid1 != RT_NULL)
{
rt_kprintf("tid1 is %p, should be NULL\n", tid1);
tc_stat(TC_STAT_FAILED);
}
if (tid2 != RT_NULL)
{
rt_kprintf("tid2 is %p, should be NULL\n", tid2);
tc_stat(TC_STAT_FAILED);
}
/* unlock scheduler */
rt_exit_critical();
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}
int _tc_thread_delete()
{
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/* set tc cleanup */
tc_cleanup(_tc_cleanup);
return thread_delete_init();
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}
FINSH_FUNCTION_EXPORT(_tc_thread_delete, a thread delete example);
#else
int rt_application_init()
{
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thread_delete_init();
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return 0;
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}
#endif