DEFINE_INTERRUPT_HANDLER(9)

💅 DEFINE_INTERRUPT_HANDLER — like, the synchronous interrupt handler definer (kernel API manual, section 9, bestie 🫶)

okay so real talk — this is the manpage for DEFINE_INTERRUPT_HANDLER from the Kernel API Manual, and it's honestly short and sweet, so let's get into it ✨

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✨ NAME ✨

DEFINE_INTERRUPT_HANDLER — define a synchronous interrupt handler function 💖

like, it makes the function for you. that's the whole vibe.

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🌸 SYNOPSIS 🌸

DEFINE_INTERRUPT_HANDLER (func );

that's it. that's the whole call. slay 💅

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🎀 ARGUMENTS 🎀

• func — the function name of the entry point. yes bestie, you pick the name — this is giving main character energy, you're literally naming your own handler 🔥

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🦋 DESCRIPTION 🦋

so func gets called from the ASM entry code — like, the assembly side of things rings it up, no cap 🧚

the macro is written so that it acts as a function definition. meaning: you append the body yourself, with a pair of curly brackets. { } — that's your moment, go off 👑

no return value chat, no extra args chat — just name it and give it a body. iconic.

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🌈 SEE ALSO 🌈

• Kernel file ./arch/powerpc/include/asm/interrupt.h — go read it, iykyk 📖
• DECLARE_INTERRUPT_HANDLER_RAW(9)
• DEFINE_INTERRUPT_HANDLER_RAW(9)
• DECLARE_INTERRUPT_HANDLER(9)
• DECLARE_INTERRUPT_HANDLER_RET(9)
• DEFINE_INTERRUPT_HANDLER_RET(9)
• DECLARE_INTERRUPT_HANDLER_ASYNC(9)
• DEFINE_INTERRUPT_HANDLER_ASYNC(9)
• DECLARE_INTERRUPT_HANDLER_NMI(9)
• DEFINE_INTERRUPT_HANDLER_NMI(9)

like, the whole interrupt handler friend group 💀 go say hi to all of them.

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ok that's the whole page bestie, it's giving short king 👑 no warnings, no bugs section, no exit statuses — just vibes and one very useful macro 💜

and finally, mwah, tysm for reading — this one came from ./arch/powerpc/include/asm and it's dated October 2026 🍓 catch you in the next manpage, periodt 💅✨