nc 0.9.7

Access system calls directly
Documentation
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/// Returns the timer expiration overrun count as explained above.
pub unsafe fn ktimer_getoverrun(timer_id: i32) -> Result<i32, Errno> {
    let timer_id = timer_id as usize;
    syscall1(SYS_KTIMER_GETOVERRUN, timer_id).map(|val| val as i32)
}