posix-cpu-timers: Handle interval timers correctly in timer_get()

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timer_gettime() must return the remaining time to the next expiry of a
timer or 0 if the timer is not armed and no signal pending, but posix CPU
timers fail to forward a timer which is already expired.

Add the required logic to address that.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

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Thomas Gleixner 2024-06-10 18:42:16 +02:00 • committed by Frederic Weisbecker

parent b3e866b2df

commit 1c50284257

1 changed files with 17 additions and 1 deletions

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kernel/time/posix-cpu-timers.c

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