Function lwp_thread_signal_mask

components/lwp/lwp_signal.c:1267–1294

#endif

rt_err_t lwp_thread_signal_mask(rt_thread_t thread, lwp_sig_mask_cmd_t how,
                                const lwp_sigset_t *sigset, lwp_sigset_t *oset)
{
    rt_err_t ret = -1;
    struct rt_lwp *lwp;

    if (thread)
    {
        lwp = (struct rt_lwp *)thread->lwp;
        LWP_LOCK(lwp);

        if (!lwp)
        {
            ret = -RT_EPERM;
        }
        else
        {
            ret = 0;
            _thread_signal_mask(thread, how, sigset, oset);
        }

        LWP_UNLOCK(lwp);
    }
    else
        ret = -RT_EINVAL;

    return ret;
}

static int _dequeue_signal(rt_thread_t thread, lwp_sigset_t *mask, siginfo_t *usi)
{