On 01/25, Tycho Andersen wrote: > > One of the things I don't like about PIDFD_THREAD is that it's hard to > tell whether an arbitrary thread is a leader or not. Right now we do > it by parsing /proc/pid/status, which shows all the stuff from > do_task_stat() that we don't care about but which is quite expensive > to compute. (Maybe there's a better way?) > > With PIDFD_THREAD we could could do it twice, once with the flag, get > EINVAL, and then do it again. But ideally we wouldn't have to. Too late for me, most probably I misunderstood. If you want the PIDFD_THREAD behaviour, you can always use this flag without any check... Could you spell? Oleg.
