On 2 Sep 2025, at 10:09, Demi Marie Obenour <demiobenour@gmail.com> wrote:

The reason I ask is that I'm using systemd-udevd with a
non-systemd service manager (s6 + s6-rc) and it has an
incompatible method for readiness notification (writing
a newline to a file descriptor).

Two thoughts.

Wrap in a program that converts the none-systemd notifications into the systemd one?

Patch in the systemd notitification, which is easy to do?

Barry