Function _signal_entry

src/signal.c:59–83

}

static void _signal_entry(void *parameter)
{
    RT_UNUSED(parameter);

    rt_thread_t tid = rt_thread_self();

    /* handle signal */
    rt_thread_handle_sig(RT_FALSE);

#ifdef RT_USING_SMP
#else
    /* return to thread */
    tid->sp = tid->sig_ret;
    tid->sig_ret = RT_NULL;
#endif /* RT_USING_SMP */

    LOG_D("switch back to: 0x%08x\n", tid->sp);
    RT_SCHED_CTX(tid).stat &= ~RT_THREAD_STAT_SIGNAL;

#ifdef RT_USING_SMP
    rt_hw_context_switch_to((rt_uintptr_t)&parameter, tid);
#else
    rt_hw_context_switch_to((rt_uintptr_t)&(tid->sp));
#endif /* RT_USING_SMP */
}

/*
 * To deliver a signal to thread, there are cases: