mucse_obtain_mbx_lock_pf(9)

📦 version 7.3.1, in nixpkgs unstable

💌 mucse_obtain_mbx_lock_pf(9) — the Kernel API Manual page, but make it make sense

okay so bestie, welcome to the Kernel API Manual ✨ this is the page for mucse_obtain_mbx_lock_pf(9) and honestly? it's a whole little icon. it grabs a mailbox lock. that's the vibe. let's get into it 🎀

🌸 NAME 🌸

mucse_obtain_mbx_lock_pf — obtain the mailbox lock</p> 💅 like, you're taking the lock. that's the entire plot.

✨ SYNOPSIS ✨

int mucse_obtain_mbx_lock_pf (struct mucse_hw *hw );

that's it, that's the whole call, no cap 🫶

🦋 ARGUMENTS 🦋

  • hw — pointer to the HW structure 👑 literally just a pointer to the hardware struct, she's the main character here, everything goes through her.

🌈 DESCRIPTION 🌈

okay so listen 👀 this one pairs with mucse_release_mbx_lock_pf — they're a set, you can't take the lock and then ghost her, that's not the energy we're bringing. take the lock, do your thing, release the lock. bestie behavior fr fr.

also, the way that this function maybe used in an irq handler — so like, she's designed to be comfy in interrupt context, iykyk 😌⚡

lowkey important: it's a pair with the release function, so don't be out here leaving locks held. we do NOT stan a leaked lock 💀

⭐ RETURN ⭐

  • 0 — slay, success ✨
  • negative errno — not slay 😭 failure, and the negative errno tells you why

🧚 SEE ALSO 🧚

the kernel file she lives in, and her whole friend group 💜:

and that's the whole page, bestie 🫶💖

cute little sign-off before you go: this one's sourced from ./drivers/net/ethernet/mucse/r... (that ellipsis is literally how she's filed, don't come for me 😭) and dated October 2026, and the page itself answers to the name mucse_obtain_mbx_lock_pf(9). go forth, take the lock, release the lock, periodt 💅🎀

📦 where this page comes from