pthread_create(&tid[tid_id], NULL, thread_main, NULL);
}
for(tid_id = 0; tid_id < worker_threads; tid_id++) {
pthread_join(tid[tid_id], NULL);
}
pthread_create(&tid[tid_id], NULL, thread_main, NULL);
}
for(tid_id = 0; tid_id < worker_threads; tid_id++) {
pthread_join(tid[tid_id], NULL);
}