xb_write(9)

🎀 NAME 🎀

okay bestie, welcome to the xb_write(9) page from the Kernel API Manual ✨

xb_write — low level write. that's the whole name, and honestly it ate 💅

🌸 SYNOPSIS 🌸

int xb_write (const void *data , unsigned int len );

🦋 ARGUMENTS 🦋

• data — the buffer to send, aka the stuff you're handing over 💌
• len — length of that buffer, so it knows how much to send 📏

✨ DESCRIPTION ✨

Returns number of bytes written or -err. that's it, that's the vibe check. no cap 🫶

lowkey iconic that it's this short. main character energy fr fr 👑

🌈 SEE ALSO 🌈

• Kernel file ./drivers/xen/xenbus/xenbus_comms.c
• xb_init_comms(9)

mwah 💋 signed off from ./drivers/xen/xenbus, October 2026 — catch you on the xb_write(9) page, bestie 🎀