tty_unregister_device(9)

💅 tty_unregister_device — like, the Kernel API Manual page, bestie ✨

okay so this is tty_unregister_device from the Kernel API Manual and honestly it's the cleanup queen of the tty world 👑

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🌸 NAME 🌸

tty_unregister_device — unregister a tty device. that's it. that's the whole vibe. it's giving "pack it up, we're done here" 🎀

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✨ SYNOPSIS ✨

void tty_unregister_device (struct tty_driver *driver , unsigned index
);

no cap, that's the whole signature. void return, so nothing comes back — it just does the thing and dips 💨

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🦋 ARGUMENTS 🦋

• driver — the tty driver that describes the tty device. like, the driver that's the parent of this whole situation, iykyk 🌈
• index — the index in the tty driver for this tty device. it's literally the little number that says which device inside that driver we're talking about 🔢

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💖 DESCRIPTION 💖

so here's the tea ☕ — if a tty device got registered with a call to tty_register_device, then this function must be called when the tty device is gone. like, not "should", not "maybe if you feel like it" — must. it's the matching half of the pair, the other half of the friendship bracelet 🫶

no device left behind, no registration left dangling. you registered it, you unregister it. periodt 💅

Locking: ?? — yeah that's literally what the manpage says. the locking story is a mystery, an enigma, a little question mark moment 😭🙈. we keep it exactly as written because we do not invent lore around here, bestie.

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🔥 SEE ALSO 🔥

okay this list is long long, so buckle up buttercup, we're going through all of them 💀

the kernel file: ./drivers/tty/tty_io.c

and then, in order, bestie, all of these:

free_tty_struct(9), tty_free_file(9), tty_name(9), get_tty_driver(9), tty_dev_name_to_number(9), tty_find_polling_driver(9), tty_wakeup(9), tty_release_redirect(9), __tty_hangup(9), tty_hangup(9), tty_vhangup(9), tty_vhangup_self(9), tty_vhangup_session(9), tty_hung_up_p(9), stop_tty(9), start_tty(9), tty_read(9), tty_write(9), tty_send_xchar(9), pty_line_name(9), tty_line_name(9), tty_driver_lookup_tty(9), tty_init_termios(9), tty_standard_install(9), tty_driver_install_tty(9), tty_driver_remove_tty(9), tty_reopen(9), tty_init_dev(9), tty_save_termios(9), tty_flush_works(9), release_one_tty(9), tty_kref_put(9), release_tty(9), tty_release_checks(9), tty_kclose(9), tty_release_struct(9), tty_release(9), tty_open_current_tty(9), tty_lookup_driver(9), tty_kopen_exclusive(9), tty_kopen_shared(9), tty_open_by_driver(9), tty_open(9), tty_poll(9), tiocsti(9), tiocgwinsz(9), tty_do_resize(9), tiocswinsz(9), tioccons(9), tiocsetd(9), tiocgetd(9), send_break(9), tty_get_tiocm(9), tty_tiocmget(9), tty_tiocmset(9), tty_get_icount(9), alloc_tty_struct(9), tty_put_char(9), tty_register_device(9), tty_register_device_attr(9), __tty_alloc_driver(9), tty_driver_kref_put(9), tty_register_driver(9), tty_unregister_driver(9)

yeah. sixty-something entries. she's thorough and she's not sorry 💅✨

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and that's the whole page, bestie!! 🧚 this little icon came from ./drivers/tty, dated October 2026, and it goes by tty_unregister_device(9) — mwah, go unregister something responsibly, love u 💜🍓