On Thu, Oct 22, 2009 at 2:17 AM, Bob Beers <[email protected]> wrote: > On Wed, Oct 21, 2009 at 3:07 PM, Leonidas . <[email protected]> wrote: >> On Thu, Oct 22, 2009 at 12:26 AM, Leonidas . <[email protected]> wrote: >>> What would be an ideal way to check if a process/thread is running or >>> sleeping >>> or it is dead from kernel space? >>> >>> Basically, check whether a process is alive, then determine its status. >>> >>> -Leo. >>> >> >> E.g. My module wants to do some cleanup after a thread exits after calling >> pthread_exit(). The only way my module can know about it by looking in to >> list >> of processes but this is not a foolproof since the pid can be recycled. >> >> >> -Leo. >> > > Hi Leo, > > I never did this, but I found it on the internets, so it must be ok ... > > <quote> > task_t *p; > read_lock(&tasklist_lock); > for_each_process(p) { > if ( strcmp (p->comm, $your-daemon-name) == 0) > break; > } > read_unlock(&tasklist_lock); > > sounds not a good idea. Smile > </quote> > > But, maybe it gives you some ideas? > > -bob >
Hi Bob, Actaully, I was thinking about something on these lines, like you, I was not very convinced with this though. Can you fwd me the link? -Leo. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
