47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
use cap_std::time::{Duration, Instant, SystemTime};
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use cap_time_ext::{MonotonicClockExt, SystemClockExt};
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use wasi_common::clocks::{WasiClocks, WasiMonotonicClock, WasiSystemClock};
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pub struct SystemClock(cap_std::time::SystemClock);
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impl SystemClock {
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pub unsafe fn new() -> Self {
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SystemClock(cap_std::time::SystemClock::new())
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}
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}
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impl WasiSystemClock for SystemClock {
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fn resolution(&self) -> Duration {
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self.0.resolution()
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}
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fn now(&self, precision: Duration) -> SystemTime {
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self.0.now_with(precision)
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}
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}
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pub struct MonotonicClock(cap_std::time::MonotonicClock);
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impl MonotonicClock {
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pub unsafe fn new() -> Self {
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MonotonicClock(cap_std::time::MonotonicClock::new())
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}
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}
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impl WasiMonotonicClock for MonotonicClock {
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fn resolution(&self) -> Duration {
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self.0.resolution()
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}
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fn now(&self, precision: Duration) -> Instant {
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self.0.now_with(precision)
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}
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}
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pub fn clocks_ctx() -> WasiClocks {
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let system = Box::new(unsafe { SystemClock::new() });
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let monotonic = unsafe { cap_std::time::MonotonicClock::new() };
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let creation_time = monotonic.now();
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let monotonic = Box::new(MonotonicClock(monotonic));
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WasiClocks {
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system,
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monotonic,
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creation_time,
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}
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}
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