agile_modbus tcp

发布于 2023-07-20 14:04:13 浏览：543 订阅该版

2 个回答

sync 2023-07-20

这家伙很懒，什么也没写！

YZRD 2023-07-25

这家伙很懒，什么也没写！

洋小月 2023-07-25

这家伙很懒，什么也没写！

YZRD 2023-07-25

这家伙很懒，什么也没写！

YZRD 2023-07-25

这家伙很懒，什么也没写！

我改为互斥量了，测试也可以运行
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230725/f4e92aa21f64ca4facf046c6603c172f.png.webp)
```
pthread_mutex_t* detach_mtx=RT_NULL;

int pthread_detach(pthread_t thread)
{
    int ret = 0;
    _pthread_data_t *ptd = _pthread_get_data(thread);
    if (ptd == RT_NULL)
    {
        /* invalid pthread id */
        ret = EINVAL;
        return ret;
        //goto __exit;
    }
    if(detach_mtx==RT_NULL)
    {
        detach_mtx=(pthread_mutex_t*)rt_malloc(sizeof(pthread_mutex_t));
        if(pthread_mutex_init(detach_mtx, NULL)!=0)
        {
            rt_free(detach_mtx);
            return -1;
        }  
    }
    pthread_mutex_lock(detach_mtx);
    //rt_enter_critical();
    if (ptd->attr.detachstate == PTHREAD_CREATE_DETACHED)
    {
        /* The implementation has detected that the value specified by thread does not refer
         * to a joinable thread.
         */
        ret = EINVAL;
        goto __exit;
    }

if ((ptd->tid->stat & RT_THREAD_STAT_MASK) == RT_THREAD_CLOSE)
    {
        /* this defunct pthread is not handled by idle */
        if (rt_sem_trytake(ptd->joinable_sem) != RT_EOK)
        {
            rt_sem_release(ptd->joinable_sem);

/* change to detach state */
            ptd->attr.detachstate = PTHREAD_CREATE_DETACHED;

/* detach joinable semaphore */
            if (ptd->joinable_sem)
            {
                rt_sem_delete(ptd->joinable_sem);
                ptd->joinable_sem = RT_NULL;
            }
        }
        else
        {
            /* destroy this pthread */
            _pthread_destroy(ptd);
        }

goto __exit;
    }
    else
    {
        /* change to detach state */
        ptd->attr.detachstate = PTHREAD_CREATE_DETACHED;

/* detach joinable semaphore */
        if (ptd->joinable_sem)
        {
            //rt_exit_critical();
            rt_sem_delete(ptd->joinable_sem);
            //rt_enter_critical();
            ptd->joinable_sem = RT_NULL;
        }
        goto __exit;
    }

__exit:
    //rt_exit_critical();
    pthread_mutex_unlock(detach_mtx);
    return ret;
}
```