rt_mutex_lock(9)

💅 rt_mutex_lock (9) 💅

okay so bestie, welcome to the Kernel API Manual — this is a page straight out of rt_mutex_lock(9) and it's genuinely a whole vibe. it's short, it's sweet, it locks a mutex, it ate. let's get into it 🫶

✨ NAME ✨

rt_mutex_lock — literally just locks an rt_mutex, no cap, that's the entire personality 🎀

✨ SYNOPSIS ✨

void rt_mutex_lock (struct rt_mutex *lock );

like, look at her. void return, one pointer, zero drama 💅

✨ ARGUMENTS ✨

• lock — the rt_mutex that's about to get locked. that's it. that's the argument. hand her the mutex and she'll take care of the rest 👑

🦋 SEE ALSO 🦋

okay so the kernel file for this one lives at ./kernel/locking/rtmutex_api.c — icon behavior, honestly — and here's the whole friend group, all of them also (9) pages, all of them worth a look:

• rt_mutex_lock_nested(9)
• rt_mutex_lock_interruptible(9)
• rt_mutex_lock_killable(9)
• rt_mutex_trylock(9)
• rt_mutex_unlock(9)
• __rt_mutex_futex_unlock(9)
• __rt_mutex_init(9)
• rt_mutex_init_proxy_locked(9)
• rt_mutex_proxy_unlock(9)
• __rt_mutex_start_proxy_lock(9)
• rt_mutex_start_proxy_lock(9)
• rt_mutex_wait_proxy_lock(9)
• rt_mutex_cleanup_proxy_lock(9)

lowkey a whole squad of rt_mutex functions — iykyk 🌈

and that's the page, bestie!! ✨💖 this little drop came to you from ./kernel/locking, dated October 2026 — mwah, go forth and lock responsibly 🧚🌸