Function rt_thread_resume

src/thread.c:1089–1125

* @brief This function will resume a thread and put it to system ready queue. * * @param thread Handle of the thread to be resumed. * * @return Return the operation status. If the return value is `RT_EOK`, the * function is successfully executed. * If the return value is any other values, it means this operation failed. */

 *          If the return value is any other values, it means this operation failed.
 */
rt_err_t rt_thread_resume(rt_thread_t thread)
{
    rt_sched_lock_level_t slvl;
    rt_err_t error;

    /* parameter check */
    RT_ASSERT(thread != RT_NULL);
    RT_ASSERT(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread);

    LOG_D("thread resume: %s", thread->parent.name);

    rt_sched_lock(&slvl);

    error = rt_sched_thread_ready(thread);

    if (!error)
    {
        error = rt_sched_unlock_n_resched(slvl);

        /**
         * RT_ESCHEDLOCKED indicates that the current thread is in a critical section,
         * rather than 'thread' can't be resumed. Therefore, we can ignore this error.
         */
        if (error == -RT_ESCHEDLOCKED)
        {
            error = RT_EOK;
        }
    }
    else
    {
        rt_sched_unlock(slvl);
    }

    RT_OBJECT_HOOK_CALL(rt_thread_resume_hook, (thread));

    return error;
}
RTM_EXPORT(rt_thread_resume);

#ifdef RT_USING_SMART