futex_setup_timer(9)

💅 NAME 💅

futex_setup_timer — the function that sets up the sleeping hrtimer. literally its whole thing, bestie. this is the futex_setup_timer(9) page from the Kernel API Manual, and we're getting into it. ✨

✨ SYNOPSIS ✨

struct hrtimer_sleeper * futex_setup_timer (ktime_t *time , struct hrtimer_sleeper *timeout , int flags , u64 range_ns );

🎀 ARGUMENTS 🎀

• time — ptr to the given timeout value. like, a pointer to the timeout value you're handing over, no cap. 🫶
• timeout — the hrtimer_sleeper structure to be set up. this is the struct getting its setup moment, main character energy fr fr. 💅
• flags — futex flags. the flags, iconic as always. 🎀
• range_ns — optional range in ns. optional range, measured in ns. iykyk. 🌸

🦋 RETURN 🦋

returns the initialized hrtimer_sleeper structure, or NULL if no timeout value was given. periodt. 💀✨

🌸 SEE ALSO 🌸

kernel file: ./kernel/futex/core.c

• __futex_hash(9)
• get_futex_key(9)
• fault_in_user_writeable(9)
• futex_top_waiter(9)
• wait_for_owner_exiting(9)
• __futex_unqueue(9)
• futex_unqueue(9)
• futex_exit_recursive(9)

ok bye bestie — cute little sign-off time: this page's source/version stamp is ./kernel/futex, the date is October 2026, and the manual page is futex_setup_timer(9). slay and stay hydrated. 💖🦋🌸