On Apr 24 2007 14:58, Stephan von Krawczynski wrote:
>Hello all,
>
>can anyone give me a short hint how walking through the tasklist in a device
>driver can be achieved nowadays. In ancient pre-20 times you could simply:
>
> read_lock(&tasklist_lock);
> p=current;
> do {
> if (p->pid==pid) {
> read_unlock(&tasklist_lock);
> /* found */
> }
> p=p->next_task;
> } while (p!=current);
> read_unlock(&tasklist_lock);
>
>But since tasklist_lock is gone this is not safe any longer. So, what can I do?
How about for_each_process?
Jan
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