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use std::time::{self, Duration};
#[cfg(not(windows))]
use {
rustix::time::{clock_getres, ClockId},
std::convert::TryInto,
};
pub trait SystemClockExt {
type SystemTime;
fn now_with(&self, precision: Duration) -> Self::SystemTime;
fn resolution(&self) -> Duration;
}
#[cfg(not(windows))]
impl SystemClockExt for cap_primitives::time::SystemClock {
type SystemTime = cap_primitives::time::SystemTime;
#[cfg(not(target_os = "wasi"))]
#[inline]
fn now_with(&self, _precision: Duration) -> Self::SystemTime {
Self::SystemTime::from_std(time::SystemTime::now())
}
fn resolution(&self) -> Duration {
let spec = clock_getres(ClockId::Realtime);
Duration::new(
spec.tv_sec.try_into().unwrap(),
spec.tv_nsec.try_into().unwrap(),
)
}
}
#[cfg(windows)]
impl SystemClockExt for cap_primitives::time::SystemClock {
type SystemTime = cap_primitives::time::SystemTime;
#[inline]
fn now_with(&self, _precision: Duration) -> Self::SystemTime {
Self::SystemTime::from_std(time::SystemTime::now())
}
fn resolution(&self) -> Duration {
Duration::new(0, 55_000_000)
}
}