RTT软件仿真v0.1.0，不能正常调度

发布于 2022-10-27 09:14:16 浏览：494 订阅该版

```c
#include <rtthread.h>
#define THREAD_PRIORITY 8
#define THREAD_TIMESLICE 5

/* 指 向 互 斥 量 的 指 针 */
static rt_mutex_t dynamic_mutex = RT_NULL;
static rt_uint8_t number1,number2 = 0;

ALIGN(RT_ALIGN_SIZE)
static char thread1_stack[1024];
static struct rt_thread thread1;

static void rt_thread_entry1(void *parameter)
{
	while(1)
	{
		/* 线 程 1 获 取 到 互 斥 量 后， 先 后 对 number1、number2 进 行 加 1 操 作， 然 后 释 放
		互 斥 量 */
		//rt_mutex_take(dynamic_mutex, RT_WAITING_FOREVER);
		number1++;
		rt_kprintf("num1加1操作\n");
		rt_thread_mdelay(100);
		rt_kprintf("num2加1操作\n");
		number2++;
		//rt_mutex_release(dynamic_mutex);
	}
}

ALIGN(RT_ALIGN_SIZE)
static char thread2_stack[1024];
static struct rt_thread thread2;
static void rt_thread_entry2(void *parameter)
{
	while(1)
	{
	/* 线 程 2 获 取 到 互 斥 量 后， 检 查 number1、number2 的 值 是 否 相 同， 相 同 则 表 示
	mutex 起 到 了 锁 的 作 用 */
	rt_mutex_take(dynamic_mutex, RT_WAITING_FOREVER);
	if(number1 != number2)
	{
	rt_kprintf("not protect.number1 = %d, mumber2 = %d \n",number1 ,number2)
	;
	}
	else
	{
	rt_kprintf("mutex protect ,number1 = mumber2 is %d\n",number1);
	}
	number1++;
	number2++;
	rt_mutex_release(dynamic_mutex);
	if(number1>=50)
	return;
}
}
/* 互 斥 量 示 例 的 初 始 化 */
int mutex_sample(void)
{
/* 创 建 一 个 动 态 互 斥 量 */
dynamic_mutex = rt_mutex_create("dmutex", RT_IPC_FLAG_FIFO);
	if (dynamic_mutex == RT_NULL)
{
	rt_kprintf("create dynamic mutex failed.\n");
	return -1;
}
	rt_thread_init(&thread1,
				   "thread1",
				   rt_thread_entry1,
					RT_NULL,
					&thread1_stack[0],
					sizeof(thread1_stack),
					THREAD_PRIORITY-1, THREAD_TIMESLICE);
	rt_thread_startup(&thread1);
	rt_thread_init(&thread2,
					"thread2",
					 rt_thread_entry2,
					 RT_NULL,
					 &thread2_stack[0],
					 sizeof(thread2_stack),
					THREAD_PRIORITY, THREAD_TIMESLICE);
	rt_thread_startup(&thread2);
	return 0;
}
/* 导 出 到 MSH 命 令 列 表 中 */
MSH_CMD_EXPORT(mutex_sample, mutex_sample);
```

![无标题.jpg](https://oss-club.rt-thread.org/uploads/20221027/d1c30d5278bb9e7a80ea1bd86c7616f6.jpg.webp "无标题.jpg")