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[Monty J. Harder]

On Fri, Sep 5, 2008 at 11:14 AM, Hal Duston <hald at kc.rr.com> wrote:


> > A process can change the arguments at any time w/o doing an exec.  I have
> > actually read the code that is needed to do this under Linux.  It is less
> > than 15 lines.  All it does is rebuild the environment which is where the
> > exec'ed command line arguments are kept.  Once they are rebuilt ps,  top,
> > and everything else just pick them up from /proc/<pid>/cmdline.
>

Wow.  I had no idea.  Here I thought ps got that info from an internal
kernel data structure that wasn't manipulable by userland.  That suggests
some really ugly possibilities.
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