nfp_cpp_mutex_lock(9)

💅 nfp_cpp_mutex_lock(9)

okay bestie, welcome to the Kernel API Manual ✨ this one's all about nfp_cpp_mutex_lock — like, the whole page, that's the vibe 🎀

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🌸 NAME 🌸

nfp_cpp_mutex_lock — lock a mutex handle, using the NFP MU Atomic Engine 🔥

no cap, that's literally the whole job. it locks the thing. using the atomic engine. iconic 💅

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✨ SYNOPSIS ✨

int nfp_cpp_mutex_lock (struct nfp_cpp_mutex *mutex );

that's the whole signature, bestie 🫶 returns an int, takes one pointer, done.

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🦋 ARGUMENTS 🦋

• mutex — the NFP CPP Mutex handle 💖 that's it, that's the argument. it's the handle you're locking. main character energy fr fr 👑

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⭐ RETURN ⭐

• 0 on success 🎉 slay
• -errno on failure 😭 so like, negative errno value. that's the whole story.

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👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c
• nfp_cpp_mutex_init(9)
• nfp_cpp_mutex_alloc(9)
• nfp_cpp_mutex_free(9)
• nfp_cpp_mutex_unlock(9)
• nfp_cpp_mutex_trylock(9)
• nfp_cpp_mutex_reclaim(9)

like, go read all of those too, the whole friend group is important 🌈💜

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ngl this page is short but it ate. lock your mutexes, know your return values, periodt. 🍓

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mwah 💋 this little love letter comes from ./drivers/net/ethernet/netrono... and it's dated October 2026 — see you in the next release, bestie! 🧚✨