alarm_timer_arm(9)

💖 alarm_timer_arm(9) 💖

okay so welcome to the Kernel API Manual page for alarm_timer_arm(9), bestie. This is the Posix timer callback to arm a timer. Yes, that's the whole assignment: arm the timer, look cute, no cap.

🌸 NAME 🌸

alarm_timer_arm — the Posix timer callback to arm a timer. That's it. That's the name. iconic ✨

🎀 SYNOPSIS 🎀

bool alarm_timer_arm (struct k_itimer *timr , ktime_t expires , bool
       absolute , bool sigev_none );

🦋 ARGUMENTS 🦋

Here's the cast, and yes every single one matters:

• timr — Pointer to the posixtimer data struct. It's giving timer-data main character energy.
• expires — The new expiry time. When the timer should go off, basically.
• absolute — Expiry value is absolute time. Absolute-time vibes, periodt.
• sigev_none — Posix timer does not deliver signals. No signals delivered, fr fr 💅

💜 SEE ALSO 💜

Kernel file: ./kernel/time/alarmtimer.c.

The whole squad:

• 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_remaining(9)
• alarm_timer_try_to_cancel(9)
• alarm_timer_wait_running(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)

okay bye bestie 💋 this page's source is ./kernel/time, dated October 2026, and the main-character manual entry is alarm_timer_arm(9). slay ✨