set_locked(9)

set_locked(9) 💅✨

okay so bestie, welcome to set_locked from the Kernel API Manual — she's giving tiny-but-iconic lock-bit energy, and we're gonna get you fully caught up 🫶

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✨ NAME ✨

set_locked — Set the lock bit and own the lock 👑

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🌸 SYNOPSIS 🌸

void set_locked (arena_spinlock_t __arena *lock );

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🎀 ARGUMENTS 🎀

• lock — Pointer to queued spinlock structure 🔒

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🦋 DESCRIPTION 🦋

The description is literally this transition notation, no cap:

*,*,0 -> *,0,1

That's the whole vibe. Not me getting a whole state transition handed to me like a group-chat read receipt 😭💅

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💖 SEE ALSO 💖

• Kernel file: ./tools/testing/selftests/bpf/libarena/include/bpf_arena_spin_lock.h 📁
• xchg_tail(9)
• clear_pending(9)
• clear_pending_set_locked(9)
• arena_spin_trylock(9)
• arena_spin_lock(9)
• arena_spin_unlock(9)

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mwah 💋 this little icon is from ./tools/testing/selftests/bpf/... and dated October 2026 — periodt, she's official ✨🎀