vt_do_kdskbmode(9)

💅 vt_do_kdskbmode(9) — from the Kernel API Manual, bestie

okay so picture this: a kernel function that handles the set keyboard mode ioctl, and it's living in the Kernel API Manual chapter. no cap, she's a real one. let's get into it 🎀

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✨ SYNOPSIS ✨

int vt_do_kdskbmode (unsigned int console , unsigned int arg );

literally the whole signature, right there 🫶 two unsigned ints and she returns an int. iconic brevity.

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🌸 ARGUMENTS 🌸

• console — the console you wanna use, bestie. that's the one. the console in question 💅
• arg — the mode you're requesting. like, the whole vibe you want the keyboard mode to be in ✨

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💖 DESCRIPTION 💖

okay so what she does is update the keyboard mode bits — and the key detail here (pun intended, sorry 😭) is that she does it while holding the correct locks. no cap, that's the important part. locks are held, bits are updated, everyone goes home happy.

and then: she returns 0 for success, or an error code if things didn't go great. that's it. that's the whole function. main character energy, honestly 👑

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🦋 SEE ALSO 🦋

the kernel file in question is:

./drivers/tty/vt/keyboard.c

and here's her whole friend group, fr fr — go say hi:

• vt_get_leds(9)
• vt_set_led_state(9)
• vt_kbd_con_start(9)
• vt_kbd_con_stop(9)
• vt_do_diacrit(9)
• vt_do_kdskbmeta(9)
• vt_do_kdgkbmeta(9)
• vt_reset_unicode(9)
• vt_get_shift_state(9)
• vt_reset_keyboard(9)
• vt_get_kbd_mode_bit(9)
• vt_set_kbd_mode_bit(9)
• vt_clr_kbd_mode_bit(9)

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🍓 friendly reminder: she only touches the keyboard mode bits while holding the correct locks — don't try to speedrun that part, ngl.

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and that's the page!! 💜 this whole thing comes from the ./drivers/tty/vt corner of the world, dated October 2026, and yes the man page name is vt_do_kdskbmode(9) — write it down, bestie, there will be a quiz 🌈⭐