parport_ip32_drain_fifo(9)

📦 version 7.3.1, in nixpkgs unstable

✨ parport_ip32_drain_fifo — the kernel API manual, but make it make sense ✨

okay so bestie, buckle up 💖 today's main character is parport_ip32_drain_fifo, and no cap, it's lowkey one of the chillest functions in the whole parport_ip32 friend group. it does exactly one thing and it does it slay. let's get into it 🎀

🌸 NAME 🌸

parport_ip32_drain_fifo — wait for FIFO to empty. that's it. that's the whole vibe check 🫶

🦋 SYNOPSIS 🦋

unsigned int parport_ip32_drain_fifo (struct parport *p , unsigned long
timeout );

like yes, she takes two arguments, and no, she's not gonna make it complicated for you 💅

⭐ ARGUMENTS ⭐

  • p — pointer to struct parport. yes bestie, the classic "pointer to struct parport" moment, we love a familiar face 😌
  • timeout — timeout, in jiffies. (jiffies!! the kernel's iconic little tick era ⏱️✨ note that this is measured in jiffies, not seconds — keep that in mind fr fr)

💜 DESCRIPTION 💜

so here's the tea ☕: this function waits for FIFO to empty. literally that's the function. she's patient, she's focused, she's not here for drama.

the way it returns is giving simple-and-iconic:

  • returns 1 when FIFO is empty — slay, mission accomplished 💅✨
  • returns 0 if the timeout timeout is reached before that happens, or if a signal is pending 😭 (yes, both of those get the big fat zero, periodt)
ngl bestie, timeout being both the parameter name and the word "timeout" in the description is not me stuttering — that's literally how the original reads 😭 keep it in mind and you're golden.

🔥 SEE ALSO 🔥

okay this is the part where the whole friend group shows up to the party 🎉 like genuinely, this list ate and left no crumbs. here they all are, in order, exactly as they appear:

like… the range 😭💀 every single one of them, no skips, we don't do that here 🫶

🧚 sign-off 🧚

and that's the whole page, bestie! 🌈 this lil gem lives over in ./drivers/parport, it's the Kernel API Manual, and it's dated October 2026 ⭐ so when you cite it, cite it right 💅

go forth and drain that FIFO, you absolute icon 👑✨

📦 where this page comes from