Function _mutex_before_delete_detach

src/ipc.c:946–977

}

static void _mutex_before_delete_detach(rt_mutex_t mutex)
{
    rt_sched_lock_level_t slvl;
    rt_bool_t need_schedule = RT_FALSE;

    rt_spin_lock(&(mutex->spinlock));
    /* wakeup all suspended threads */
    rt_susp_list_resume_all(&(mutex->parent.suspend_thread), RT_ERROR);

    rt_sched_lock(&slvl);

    /* remove mutex from thread's taken list */
    rt_list_remove(&mutex->taken_list);

    /* whether change the thread priority */
    if (mutex->owner)
    {
        need_schedule = _check_and_update_prio(mutex->owner, mutex);
    }

    if (need_schedule)
    {
        rt_sched_unlock_n_resched(slvl);
    }
    else
    {
        rt_sched_unlock(slvl);
    }

    /* unlock and do necessary reschedule if required */
    rt_spin_unlock(&(mutex->spinlock));
}

/**
 * @addtogroup group_mutex Mutex