raw_atomic_inc_not_zero(9)

📦 version 7.3.1, in nixpkgs unstable

👑 raw_atomic_inc_not_zero(9) — Kernel API Manual, bestie 💖

💖 NAME 💖

raw_atomic_inc_not_zero — atomic increment unless zero with full ordering. Yes bestie, that's the whole name and it ate. ✨

✨ SYNOPSIS ✨

bool raw_atomic_inc_not_zero (atomic_t *v );

🎀 ARGUMENTS 🎀

  • v — pointer to atomic_t. It's giving pointer royalty 👑, not the value itself, just the address.

🦋 DESCRIPTION 🦋

okay so picture this 💭 — if (v != 0), this function atomically updates v to (v + 1) with full ordering. Slay, that's the magic. 🪄

otherwise — as in when v is zero — v is not modified and relaxed ordering is provided. No cap, it just sits there looking cute. 😌

it's safe to use in noinstr code 🛡️ — but outside that vibe, prefer atomic_inc_not_zero elsewhere. iykyk. 💅

🚨 bestie safety note: raw_atomic_inc_not_zero is safe in noinstr code; the general-purpose pick is atomic_inc_not_zero.

🌸 RETURN 🌸

  • true — if v was updated, bestie, it moved. ✅
  • false — otherwise, it didn't update. 💀

simple as that, no cap. ✨

💅 SEE ALSO 💅

source/version tea: ./include/linux/atomic • date: October 2026 • and that's the teeeeaaa, bestie 🫶🎀✨

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