tty_ldisc_kill(9)

💅 tty_ldisc_kill(9) — Kernel API Manual, bestie edition

okay so we're in the kernel API manual (tty_ldisc_kill(9)) and today's main character is a little function that says goodbye to an ldisc. slay.

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✨ NAME ✨

tty_ldisc_kill — teardown ldisc. that's it, that's the whole vibe. it kills the ldisc. respectfully. 🎀

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🌸 SYNOPSIS 🌸

void tty_ldisc_kill (struct tty_struct *tty );

literally just one (1) tty pointer going in, nothing coming out. void, no cap. 🫶

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🦋 ARGUMENTS 🦋

• tty — the tty being released. like, it's on its way out, we're doing the last little closure ritual. goodbye bestie 🥲

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💜 DESCRIPTION 💜

okay so here's the tea 🍵 — tty_ldisc_kill does the final close of the ldisc, and then it resets tty->ldisc. that's the whole thing. final close, reset, done, periodt. it's giving last one out turn off the lights energy. ✨

ngl it's a tiny function but it's iconic in its own quiet way 💅

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🔥 SEE ALSO 🔥

so if you're the type who falls down a rabbit hole (same, honestly 🐇), the source of truth lives in the kernel file ./drivers/tty/tty_ldisc.c, and the whole ldisc friend group is right here:

• tty_register_ldisc(9)
• tty_unregister_ldisc(9)
• tty_ldisc_get(9)
• tty_ldisc_put(9)
• tty_ldisc_ref_wait(9)
• tty_ldisc_ref(9)
• tty_ldisc_deref(9)
• tty_ldisc_flush(9)
• tty_set_termios_ldisc(9)
• tty_ldisc_open(9)
• tty_ldisc_close(9)
• tty_ldisc_failto(9)
• tty_ldisc_restore(9)
• tty_set_ldisc(9)
• tty_reset_termios(9)
• tty_ldisc_reinit(9)
• tty_ldisc_hangup(9)
• tty_ldisc_setup(9)
• tty_ldisc_release(9)
• tty_ldisc_init(9)
• tty_ldisc_deinit(9)

like, the whole squad showed up to the function name drop 💀 iykyk

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one last thing before you go 🎀 — this page comes to you from ./drivers/tty, dated October 2026. screenshot it, frame it, put it on your wall. mwah 💖✨