stdma_try_lock(9)

💅 stdma_try_lock 🦋

okay bestie, this is the stdma_try_lock(9) page from the Kernel API Manual. we are literally about to vibe-check a function that attempts to acquire the ST DMA interrupt "lock". no cap, this is niche but iconic. ✨

✨ NAME ✨

stdma_try_lock — attempt to acquire ST DMA interrupt "lock". 🎀

🎀 SYNOPSIS 🎀

int stdma_try_lock (irq_handler_t handler , void *data );

🫶 ARGUMENTS 🫶

• handler — the interrupt handler to use after acquisition. yes bestie, this is the one you bring to the party after the lock is yours. 💖
• data — the cookie passed to the interrupt handler function. it's giving "here's your little treat" vibes. 🍓

💖 DESCRIPTION 💖

okay so the return value is the whole vibe check here: it returns !0 if the lock was acquired; otherwise it returns 0. periodt. ✨

👑 SEE ALSO 👑

• Kernel file ./arch/m68k/atari/stdma.c
• stdma_is_locked_by(9)

go peek at those if you want more lore, iykyk. 🦋

mwah 💋 this page comes from ./arch/m68k/atari, dated October 2026, and it's all for stdma_try_lock(9). slay. 💜