rt_mutex_unlock(9)

💅 rt_mutex_unlock(9)

okay bestie so this is a page from the Kernel API Manual (the 9 section, kernel dev vibes only) and it's about rt_mutex_unlock — literally the function that unlocks a rt_mutex. that's it. that's the whole page. she's short but she's iconic 🎀

🦋 SYNOPSIS

void rt_mutex_unlock (struct rt_mutex *lock );

no cap, that's the whole signature. void in, void out, and one lil pointer in between 💖

✨ ARGUMENTS

• lock — the rt_mutex to be unlocked. like, the actual mutex you're letting go of. hand her over 🫶

👀 SEE ALSO

the kernel file lives at ./kernel/locking/rtmutex_api.c and honestly the whole friend group is here:

• rt_mutex_lock_nested(9)
• rt_mutex_lock(9)
• rt_mutex_lock_interruptible(9)
• rt_mutex_lock_killable(9)
• rt_mutex_trylock(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)

like yeah — go read the whole squad, they all ate 💅

lowkey a reminder from your girl: this page only tells you what it is — the parameter is the rt_mutex you're unlocking. no extra lore here, don't let anyone gaslight you into thinking there's more on this page 🌸

mwah, that's the page 💜 live from ./kernel/locking, dated October 2026, and that's the whole manual section rt_mutex_unlock(9) — bye bestie, go unlock responsibly ✨