heim-host 0.0.4

Cross-platform host information
Documentation 
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use heim_common::prelude::*;
use heim_common::units::Time;

use mach::mach_time;

use super::TIME_BASE;

pub fn uptime() -> impl Future<Output=Result<Time>> {
    // TODO: Possible value truncation
    let abs_time = unsafe { mach_time::mach_absolute_time() } as f64;

    let nano_secs = abs_time * *TIME_BASE;

    future::ok(Time::from_nanoseconds(nano_secs))
}