Eli Zaretskii <eliz@gnu.org> writes:

> And I will see your humility and raise ya.  Please describe your ideas
> for the patch before actually writing the code.  Because there's more
> here than meets the eye.  Some issues the related code needs to
> handle:
>
>   . what if /proc/self/exe is unreadable? AFAIK, on some systems you
>     need special privileges to follow its symlink

Above all, /proc is liable simply to be unmounted.