wait_thread
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
ret = pthread_create(&thr, NULL, wait_thread, NULL);