DEVICE_SHUTDOWN(9)

📦 version 15.1, in freebsd 14.5, freebsd 15.1, nixpkgs unstable

🌸 DEVICE_SHUTDOWN(9) — Kernel Developer's Manual but make it bestie-coded 🌸

okay so this page is from the Kernel Developer's Manual, and the main character energy belongs to DEVICE_SHUTDOWN(9). it's giving driver cleanup at shutdown, and honestly? obsessed. 💅

✨ NAME ✨

DEVICE_SHUTDOWN — called during system shutdown. that's the whole vibe, fr fr.

✨ SYNOPSIS ✨

bestie, you're gonna need these includes first:

#include <sys/param.h>
#include <sys/bus.h>

and then the method itself, exactly like this:

int
DEVICE_SHUTDOWN(device_t dev);

✨ DESCRIPTION ✨

The DEVICE_SHUTDOWN() method is called during system shutdown. its whole job? allowing the driver to put the hardware into a consistent state for rebooting the computer. no cap, that's the flex: clean shutdown energy so the reboot doesn't get messy. periodt. 💅

lowkey this is the "put your toys away before reboot" method. highkey important for a consistent hardware state, and the docs are literally right here.

✨ RETURN VALUES ✨

Zero is returned on success. otherwise, an error is returned. zero = slay, error = not the vibe. 😭

✨ SEE ALSO ✨

go read these if you wanna complete the lore, iykyk 🦋

✨ AUTHORS ✨

This manual page was written by Doug Rabson. king behavior, honestly 👑.

cute sign-off: this page is brought to you by Debian, dated January 6, 2005, and yes it's filed under DEVICE_SHUTDOWN(9) — mwah 💖

📦 where this page comes from