getrandom_syscall(9)

✨ NAME ✨

getrandom_syscall — Invoke the getrandom() syscall.

hii bestie 💖 welcome to the getrandom_syscall(9) page from the Kernel API Manual. this function’s whole thing is literally invoking the getrandom() syscall. no cap, that’s the vibe. 🎀

🌸 SYNOPSIS 🌸

       ssize_t getrandom_syscall (void *buffer , size_t len , unsigned int
       flags );

🦋 ARGUMENTS 🦋

• buffer — destination buffer to fill with random bytes. 💧
• len — size of buffer in bytes. 📏
• flags — zero or more GRND_* flags. 🚩

🔥 RETURN 🔥

the return value is the number of random bytes written to buffer, or a negative value indicating an error. that’s it, that’s the whole return vibe. 😭

👑 SEE ALSO 👑

• Kernel file ./arch/x86/include/asm/vdso/getrandom.h 👀

okay bestie, that’s the page 💅 source/version: ./arch/x86/include/asm/vdso; date: October 2026; title: getrandom_syscall(9). bye and slay your random-byte era 🎀✨