snd_pcm_stream_lock_irq(9)

📦 version 7.3.1, in nixpkgs unstable

💅 snd_pcm_stream_lock_irq(9) — like, the whole glow-up

okay so bestie, we're in the Kernel API Manual today and this page is literally called snd_pcm_stream_lock_irq, no cap. she's a lil function with big main-character energy — let's get into it 🎀

✨ NAME ✨

snd_pcm_stream_lock_irq — Lock the PCM stream 🔒

like yes that's it that's the whole vibe, but trust me there's lore 👑

🦋 SYNOPSIS 🦋

void snd_pcm_stream_lock_irq (struct snd_pcm_substream *substream );

copy it exactly pls, she's precise 💅

🌸 ARGUMENTS 🌸

  • substream — the PCM substream 🎧 that's your girl, that's who you're locking

💖 DESCRIPTION 💖

so here's the tea, bestie 🍓 — this one locks the PCM stream like snd_pcm_stream_lock does, and also disables the local IRQ 🔥

⚠️ but read this part carefully: the IRQ-disabling only happens when nonatomic is false. don't be out here assuming, iykyk 😭

and in the nonatomic case? it's identical to snd_pcm_stream_lock. literally the same thing, no extra credit, periodt 💀

🌈 SEE ALSO 🌈

like all her friends 🫶 the kernel file ./sound/core/pcm_native.c is where she lives, and then:

mwah 💜 and that's the page!! she lives in ./sound/core, she's stamped October 2026, and she goes by snd_pcm_stream_lock_irq(9) — go lock that stream bestie, you got this 🧚✨👑

📦 where this page comes from