On 11.01.2018 21:34, Oleg Nesterov wrote: > On 01/11, Kirill Tkhai wrote: >> >> Since threads can't have additional fd in comparison >> to thread group leader > ... >> as they definitely have the same >> files struct, as thread group leader. > > Hmm. Why? Iirc CLONE_THREAD doesn't require CLONE_FILES?
Oh, it's really so. Surprise. Thanks for pointing that. I'll try to find a way, how we can iterate threads fds using rcu. > Also. The group leader can exit, in this case its ->files == NULL > but other threads can be alive. Sure, thanks, Oleg. Kirill
