libnvme_privsep_spawn(9)

💅 libnvme_privsep_spawn 💅

okay so this is a page straight out of the libnvme API manual, and it's about spawning the privilege separation helper — which sounds scary but it's literally just "start the little helper buddy process and make sure y'all are speaking the same language." bestie, let's get into it 🫶

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✨ NAME ✨

libnvme_privsep_spawn — start the privilege separation helper 🔥

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🌸 SYNOPSIS 🌸

int libnvme_privsep_spawn (const char *helper , struct libnvme_privsep
**psp );

like yes, that's the whole signature, no cap ✨

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🎀 ARGUMENTS 🎀

• helper — the path of the helper binary. or if you're feeling lazy (valid), pass NULL and it'll go grab the installed helper for you 💅
• psp — on success, this is where your helper channel lands. main character output parameter energy 👑

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🦋 DESCRIPTION 🦋

so what this actually does: it starts the helper as a child process, then checks that it speaks the same protocol version as you — vibe check on the wire, basically 🧚 if the versions don't match, that's a problem, and the whole point is making sure they do.

okay and this part is important, bestie, listen up: the helper inherits the credentials of the caller. so you gotta call this function before you drop privileges. like, before. not after. that's the whole thing — call it while you still have the creds, periodt 🙈

not me stressing this again but: credentials get inherited, so the ordering is not optional, it's literally the design 🔥

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💜 RETURN 💜

0 on success, or a negative error code otherwise. that's it, that's the tea ☕ slay.

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and that's the page!! this lil beauty comes from the libnvme API manual, dated October 2026, and the page itself is libnvme_privsep_spawn — iykyk 💖🎀🦋

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