alarm_timer_forward(9)

💅 alarm_timer_forward(9) — bestie edition

okay so you've stumbled into the Kernel API Manual and landed on the page for alarm_timer_forward. welcome, grab a strawberry 🍓, we're doing kernel time stuff.

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✨ NAME ✨

alarm_timer_forward — the posix timer callback that handles forwarding a timer. that's it, that's the whole vibe. it's giving "we moved the clock forward, now deal with it." ⏰

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🎀 SYNOPSIS 🎀

s64 alarm_timer_forward (struct k_itimer *timr , ktime_t now );

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🦋 ARGUMENTS 🦋

• timr — a pointer to the posixtimer data struct. so like, the timer itself. the main character. 👑
• now — the current time, and you're forwarding the timer against it. yes, "against." the manpage said it, not me. 💅

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🌈 SEE ALSO 🌈

fr fr this one has a lot of friends, it's very popular, very booked and busy. this is the kernel file ./kernel/time/alarmtimer.c and its whole little family:

• 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_remaining(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)

like, an entire friend group 💖 read them, they're all iconic in their own way.

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ngl there's not much else on this page — no OPTIONS, no RETURN VALUE, no ERRORS, no BUGS. just the name, the signature, the two args, and a truly enormous SEE ALSO. sometimes that's the whole meal and we respect it. 🫶

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and that's the page!! brought to you by the fine folks at ./kernel/time, dated October 2026, filed under alarm_timer_forward(9). periodt. 🧚💜