current tty

[richard -rw- weinberger]

On Wed, May 8, 2013 at 6:21 AM, Hatte John <june.tune.sea at gmail.com> wrote:
> Hi：
>
>    As  I know .the /dev/tty is the current task's tty , which is stored to
> current->tty ,
>    My question is when does this value is assgined to current->tty ?

As I told you on IRC, struct task_struct has no ->tty member.
If your custom/old/whatever kernel has, use grep to find out...

Thanks,
//richard