kfifo_out_spinlocked(9)

📦 version 7.3.1, in nixpkgs unstable

✨ kfifo_out_spinlocked 💅

okay so real talk bestie, this is a page from the Kernel API Manual and it's about snatching data out of a fifo — but like, safely, with a spinlock doing the bouncer duty 🎀

✨ NAME ✨

kfifo_out_spinlocked — get data from the fifo using a spinlock for locking 🔒

🌸 SYNOPSIS 🌸

kfifo_out_spinlocked (fifo , buf , n , lock );

🦋 ARGUMENTS 🦋

  • fifo — the address of the fifo you're gonna use, like, the actual fifo in question 💖
  • buf — pointer to the storage buffer, aka where the good stuff lands 🎀
  • n — max. number of elements to get 🔥 (max, bestie — that's the ceiling, ngl)
  • lock — pointer to the spinlock to use for locking 🔒 periodt

💜 DESCRIPTION 💜

This macro gets the data from the fifo and returns the numbers of elements copied. that's it, that's the whole vibe ✨ like she's literally just here to hand you your data and tell you how much she gave you 😭

🫶 SEE ALSO 🫶

Kernel file ./include/linux/kfifo.h — and honestly the whole kfifo friend group showed up, we love a supportive ensemble cast 👑

and that's the whole page, bestie 🧚 mwah 💋

tiny sign-off corner: this one lives at ./include/linux and the version/date stamp is October 2026 🌈 go forth and dequeue responsibly 💅✨
📦 where this page comes from