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SubjectRe: + proc-connector-add-event-for-process-becoming-session-leader.patch added to -mm tree
> The act of a process becoming a session leader is a useful signal to a
> supervising init daemon such as Upstart.
...
> @@ -360,8 +360,10 @@ void __set_special_pids(struct pid *pid)
> {
> struct task_struct *curr = current->group_leader;
>
> - if (task_session(curr) != pid)
> + if (task_session(curr) != pid) {
> change_pid(curr, PIDTYPE_SID, pid);
> + proc_sid_connector(curr);
> + }

Wouldn't it better to change sys_setsid() then? This looks more clear
imho, and we can move proc_sid_connector() outside of tasklist_lock.

Note also that __set_special_pids() does not neccessary mean we are
becoming a session leader, see daemonize().

Oleg.



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