Bug#1033311: sysvinit-utils: pidof not always returning a pid when using the full path to a program

[Jesse Smith]

On 2023-03-23 12:04 p.m., Markus Fischer wrote:
> I could also reproduce it with emacs. I've used emacs-gtk to avoid the
> symlink.
>
> ```shell 1
> $ emacs-gtk -nw -fn helvetica
> ```
>
> ```shell 2
> $ ./pidof emacs-gtk
> 24727
> $ ./pidof $(which emacs-gtk)
> $ ls -l $(which emacs-gtk)
> -rwxr-xr-x 1 root root 5294300 Mar 14 21:30 /usr/bin/emacs-gtk
> ```
This is interesting. Is there anything else you can share that might
shed light on why this happens while I can't get the same results? You
mentioned you're using two separate shells. Are they with the same user
account? Is there any PID hiding feature of Debian enabled? Does it
still happen if you run "pidof -z $(which emacs-gtk)"?