Function rt_sched_insert_thread

src/scheduler_up.c:490–533

* @brief This function will insert a thread to the system ready queue. The state of * thread will be set as READY and the thread will be removed from suspend queue. * * @param thread is the thread to be inserted. * * @note Please do not invoke this function in user application. */

 * @note  Please do not invoke this function in user application.
 */
void rt_sched_insert_thread(struct rt_thread *thread)
{
    rt_base_t level;

    RT_ASSERT(thread != RT_NULL);

    /* disable interrupt */
    level = rt_hw_interrupt_disable();

    /* it's current thread, it should be RUNNING thread */
    if (thread == rt_current_thread)
    {
        RT_SCHED_CTX(thread).stat = RT_THREAD_RUNNING | (RT_SCHED_CTX(thread).stat & ~RT_THREAD_STAT_MASK);
        goto __exit;
    }

    /* READY thread, insert to ready queue */
    RT_SCHED_CTX(thread).stat = RT_THREAD_READY | (RT_SCHED_CTX(thread).stat & ~RT_THREAD_STAT_MASK);
    /* there is no time slices left(YIELD), inserting thread before ready list*/
    if((RT_SCHED_CTX(thread).stat & RT_THREAD_STAT_YIELD_MASK) != 0)
    {
        rt_list_insert_before(&(rt_thread_priority_table[RT_SCHED_PRIV(thread).current_priority]),
                              &RT_THREAD_LIST_NODE(thread));
    }
    /* there are some time slices left, inserting thread after ready list to schedule it firstly at next time*/
    else
    {
        rt_list_insert_after(&(rt_thread_priority_table[RT_SCHED_PRIV(thread).current_priority]),
                              &RT_THREAD_LIST_NODE(thread));
    }

    LOG_D("insert thread[%.*s], the priority: %d",
          RT_NAME_MAX, thread->parent.name, RT_SCHED_PRIV(rt_current_thread).current_priority);

    /* set priority mask */
#if RT_THREAD_PRIORITY_MAX > 32
    rt_thread_ready_table[RT_SCHED_PRIV(thread).number] |= RT_SCHED_PRIV(thread).high_mask;
#endif /* RT_THREAD_PRIORITY_MAX > 32 */
    rt_thread_ready_priority_group |= RT_SCHED_PRIV(thread).number_mask;

__exit:
    /* enable interrupt */
    rt_hw_interrupt_enable(level);
}

/**
 * @brief This function will remove a thread from system ready queue.