context.stp - read session ID - function sid()

[Josh Stone]

On 05/08/2009 08:04 AM, Malte Nuhn wrote:
> There's basically no magic in it. I checked that the session information 
> is stored in the "signal_struct" since Kernel version 2.6.0 - so i guess
> it should work on every machine that is running systemtap.

Unfortunately, that field is going away -- see this in the kernel:

  commit 1b0f7ffd0ea27cd3a0b9ca04e3df9522048c32a3
  Author: Oleg Nesterov <oleg@redhat.com>
  Date:   Thu Apr 2 16:58:39 2009 -0700

      pids: kill signal_struct-> __pgrp/__session and friends


Frank already committed your patch, but can you research whether there's
a way to let this continue to work on 2.6.30+?

Thanks,

Josh