Re: [PATCH] processes with shared vm

[Dave McCracken]

--On Friday, August 17, 2001 14:30:28 +0000 Mark Hahn 
<[e-mail]> wrote:

> from a quick glance, there is no tgid, and deliberately so:
> proc.thread_group is a list of siblings, no?  siblings that
> normally share their struct mm.

There is in fact a tgid in the task_struct.  Its value is the pid of the 
task that first called clone() with CLONE_THREAD set.  And in fact the 
getpid() system call actually returns tgid instead of pid.  It seems to me 
only reasonable to include this in the information available via /proc.

Dave McCracken

======================================================================
Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
[e-mail]                                        T/L   678-3059