On 10/11/2025 21:16, James Gritton wrote:
Far from being a kludge, I think it's a feature we need, and one at the top of
my list. Forcing it to look like PID 1 from jailed perspective is definitely
doable (and something I'd done outside of the project a decade ago). In
addition to those two requirements, I would add one that answers your last
question:
3. signals to init and reboot(2) work as they would on the host side.
A jailed reboot would kill all processes and restart rc, and possibly do other
kernel-side cleanups yet to be clearly defined. A jailed halt would remove the
jail. A jailed single-user mode could exist where instead of init spawning a
shell, it just sits around while the system has a chance to jexec into it.
init handles various signals by rebooting/halting/etc, and it should be able to
do that as it does now, by calling reboot(2), directing the kernel to do what it
needs to with the jail. If init goes away, it's probably like a halt and
removes the jail.
This is definitely something that will be happening.
Thank you very much.
That's good to hear.
--
Andriy Gapon
