alarm_timer_remaining(9)

🌸 alarm_timer_remaining(9) 🌸

okay so welcome to the Kernel API Manual, bestie 💖 this page is literally about one little kernel function and its whole vibe is “tell me how much time is left.”

✨ NAME ✨

alarm_timer_remaining — Posix timer callback to retrieve remaining time. that’s the assignment, and it ate 💅

🎀 SYNOPSIS 🎀

no cap, here’s the exact signature, character for character:

ktime_t alarm_timer_remaining (struct k_itimer *timr , ktime_t now );

💅 ARGUMENTS 💅

• timr — pointer to the posixtimer data struct 🫶
• now — current time to calculate against ⏰

🦋 SEE ALSO 🦋

the whole friend group is here, and yes, you need all of them:

• Kernel file ./kernel/time/alarmtimer.c — the source file holding the lore
• struct alarm_base(9)
• alarmtimer_get_rtcdev(9)
• alarmtimer_enqueue(9)
• alarmtimer_dequeue(9)
• alarmtimer_fired(9)
• alarmtimer_suspend(9)
• alarm_init(9)
• alarm_start_timer(9)
• alarm_try_to_cancel(9)
• alarm_cancel(9)
• clock2alarm(9)
• alarm_handle_timer(9)
• alarm_timer_rearm(9)
• alarm_timer_forward(9)
• alarm_timer_try_to_cancel(9)
• alarm_timer_wait_running(9)
• alarm_timer_arm(9)
• alarm_clock_getres(9)
• alarm_clock_get_timespec(9)
• alarm_clock_get_ktime(9)
• alarm_timer_create(9)
• alarmtimer_nsleep_wakeup(9)
• alarmtimer_do_nsleep(9)
• alarm_timer_nsleep_restart(9)
• alarm_timer_nsleep(9)
• alarmtimer_init(9)

🫶 from ./kernel/time • October 2026 • alarm_timer_remaining(9) • see ya bestie 💖