alarm_timer_nsleep(9)

📦 version 7.3.1, in nixpkgs unstable

💖 alarm_timer_nsleep(9) — the alarmtimer sleep situation ✨

okay so bestie, welcome to section 9 of the Kernel API Manual 🎀 this one's about alarm_timer_nsleep, and it's literally the little function that holds down the "sleep until my alarm goes off" vibes. no cap. ⏰

🌸 NAME 🌸

alarm_timer_nsleep — alarmtimer nanosleep 🫶

✨ SYNOPSIS ✨

int alarm_timer_nsleep (const clockid_t which_clock , int flags ,
                        const struct timespec64 *tsreq );

yeah she's three args deep and serving function signature 💅

🦋 ARGUMENTS 🦋

  • which_clock — the clockid 🌈 like, which clock are we working with, babe
  • flags — this one decides abstime or relative ⭐ it's giving "am I sleeping until a specific moment, or just for a while?"
  • tsreq — the requested sleep time, either absolute or relative (abs or rel, iykyk) 🎀

👑 DESCRIPTION 👑

so basically, this is the handler for clock_nanosleep calls that come in against _ALARM clockids 🔥 that's it, that's the whole job. she handles the nap requests for the alarm clocks. iconic. 💜

💀 SEE ALSO 💀

the whole family tree, bestie, and there's a lot of them — plus the kernel file they all live in: ./kernel/time/alarmtimer.c 🧚

and that's the whole page, bestie 🫶 no crumbs left, every single reference accounted for ✨

anyway, this lil beauty ships out of ./kernel/time and it's dated October 2026 — so like, future vibes but make it kernel 🌈👑 go read the rest of section 9, mwah 💋

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