andy/player
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ת»»Ϊgb2312±àÂë

Browse Source
This commit is contained in:
andy
2025-07-05 19:47:28 +08:00
parent 8c12c1ffc3
commit 079aa9f868
550 changed files with 13358 additions and 17326 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
Project/Src/rt-thread/examples/kernel/semaphore_producer_consumer.c
View File

@@ -1,84 +1,84 @@
/*
* 程序清单：生产者消费者例子
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* 这个例子中将创建两个线程用于实现生产者消费者问题
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
#include <rtthread.h>
#include "tc_comm.h"
/* 定义最大5个元素能够被产生 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#define MAXSEM 5
/* 用于放置生产的整数数组 */
/* <EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
rt_uint32_t array[MAXSEM];
/* 指向生产者、消费者在array数组中的读写位置 */
/* ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>array<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĶ<EFBFBD>дλ<EFBFBD><EFBFBD> */
static rt_uint32_t set, get;
/* 指向线程控制块的指针 */
/* ָ<EFBFBD><EFBFBD><EFBFBD>߳̿<EFBFBD><EFBFBD>ƿ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> */
static rt_thread_t producer_tid = RT_NULL;
static rt_thread_t consumer_tid = RT_NULL;
struct rt_semaphore sem_lock;
struct rt_semaphore sem_empty, sem_full;
/* 生成者线程入口 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
void producer_thread_entry(void* parameter)
{
int cnt = 0;
/* 运行100次 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>100<EFBFBD><EFBFBD> */
while( cnt < 100)
{
/* 获取一个空位 */
/* <EFBFBD><EFBFBD>ȡһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ */
rt_sem_take(&sem_empty, RT_WAITING_FOREVER);
/* 修改array内容，上锁 */
/* <EFBFBD>޸<EFBFBD>array<EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
array[set%MAXSEM] = cnt + 1;
rt_kprintf("the producer generates a number: %d\n", array[set%MAXSEM]);
set++;
rt_sem_release(&sem_lock);
/* 发布一个满位 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ */
rt_sem_release(&sem_full);
cnt++;
/* 暂停一段时间 */
/* <EFBFBD><EFBFBD>ͣһ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> */
rt_thread_delay(50);
}
rt_kprintf("the producer exit!\n");
}
/* 消费者线程入口 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
void consumer_thread_entry(void* parameter)
{
rt_uint32_t no;
rt_uint32_t sum;
/* 第n个线程，由入口参数传进来 */
/* <EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD>̣߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
no = (rt_uint32_t)parameter;
sum = 0;
while(1)
{
/* 获取一个满位 */
/* <EFBFBD><EFBFBD>ȡһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ */
rt_sem_take(&sem_full, RT_WAITING_FOREVER);
/* 临界区，上锁进行操作 */
/* <EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD> */
rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
sum += array[get%MAXSEM];
rt_kprintf("the consumer[%d] get a number: %d\n", no, array[get%MAXSEM] );
get++;
rt_sem_release(&sem_lock);
/* 释放一个空位 */
/* <EFBFBD>ͷ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ */
rt_sem_release(&sem_empty);
/* 生产者生产到100个数目，停止，消费者线程相应停止 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>100<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>ֹͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD>Ӧֹͣ */
if (get == 100) break;
/* 暂停一小会时间 */
/* <EFBFBD><EFBFBD>ͣһС<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> */
rt_thread_delay(10);
}
@@ -88,23 +88,23 @@ void consumer_thread_entry(void* parameter)
int semaphore_producer_consumer_init()
{
/* 初始化3个信号量 */
/* <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD> */
rt_sem_init(&sem_lock , "lock", 1, RT_IPC_FLAG_FIFO);
rt_sem_init(&sem_empty, "empty", MAXSEM, RT_IPC_FLAG_FIFO);
rt_sem_init(&sem_full , "full", 0, RT_IPC_FLAG_FIFO);
/* 创建线程1 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>1 */
producer_tid = rt_thread_create("producer",
producer_thread_entry, RT_NULL, /* 线程入口是producer_thread_entry, 入口参数是RT_NULL */
producer_thread_entry, RT_NULL, /* <EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>producer_thread_entry, <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
if (producer_tid != RT_NULL)
rt_thread_startup(producer_tid);
else
tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>2 */
consumer_tid = rt_thread_create("consumer",
consumer_thread_entry, RT_NULL, /* 线程入口是consumer_thread_entry, 入口参数是RT_NULL */
consumer_thread_entry, RT_NULL, /* <EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>consumer_thread_entry, <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
if (consumer_tid != RT_NULL)
rt_thread_startup(consumer_tid);
@@ -117,39 +117,39 @@ int semaphore_producer_consumer_init()
#ifdef RT_USING_TC
static void _tc_cleanup()
{
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󣬽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ж<EFBFBD> */
rt_enter_critical();
rt_sem_detach(&sem_lock);
rt_sem_detach(&sem_empty);
rt_sem_detach(&sem_full);
/* 删除线程 */
/* ɾ<EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD> */
if (producer_tid != RT_NULL && producer_tid->stat != RT_THREAD_CLOSE)
rt_thread_delete(producer_tid);
if (consumer_tid != RT_NULL && consumer_tid->stat != RT_THREAD_CLOSE)
rt_thread_delete(consumer_tid);
/* 调度器解锁 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
rt_exit_critical();
/* 设置TestCase状态 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase״̬ */
tc_done(TC_STAT_PASSED);
}
int _tc_semaphore_producer_consumer()
{
/* 设置TestCase清理回调函数 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
tc_cleanup(_tc_cleanup);
semaphore_producer_consumer_init();
/* 返回TestCase运行的最长时间 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase<EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> */
return 100;
}
/* 输出函数命令到finsh shell中 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>finsh shell<EFBFBD><EFBFBD> */
FINSH_FUNCTION_EXPORT(_tc_semaphore_producer_consumer, producer and consumer example);
#else
/* 用户应用入口 */
/* <EFBFBD>û<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int rt_application_init()
{
semaphore_producer_consumer_init();