TWA_SIGNAL
if (!task_work_add(wq->task, &worker->create_work, TWA_SIGNAL)) {
if (task_work_add(ctx->submitter_task, &ctx->poll_wq_task_work, TWA_SIGNAL))
ret = task_work_add(node->task, &exit.task_work, TWA_SIGNAL);
ctx->notify_method = TWA_SIGNAL;
if (task_work_add(task, &msg->tw, TWA_SIGNAL))
return bpf_task_work_schedule(task, tw, map__map, callback, aux, TWA_SIGNAL);
case TWA_SIGNAL:
err = task_work_add(thread, &ctx->work, TWA_SIGNAL);