#define for_each_process(p)
    for (p = &init_task ; (p = next_task(p)) != &init_task ; )

if (p->real_parent->pid == NULL)
      printk("PROCESS: name: %s pid: %d n",p->comm,p->pid);
 else
      printk("THREAD: name: %s tid: %d n",p->comm,p->pid);