mirror of
https://github.com/tokio-rs/tokio.git
synced 2026-08-21 00:00:10 +02:00
Carl Lerche
06c473e628
A first pass at updating Tokio to use `std::future`. Implementations of `Future` from the futures crate are updated to implement `Future` from std. Implementations of `Stream` are moved to a feature flag. This commits disables a number of crates that have not yet been updated.
37 lines
780 B
Rust
37 lines
780 B
Rust
pub(crate) mod futures {
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pub(crate) use crate::task::AtomicWaker;
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}
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pub(crate) mod sync {
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pub(crate) use std::sync::atomic;
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pub(crate) use std::sync::Arc;
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use std::cell::UnsafeCell;
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pub(crate) struct CausalCell<T>(UnsafeCell<T>);
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impl<T> CausalCell<T> {
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pub(crate) fn new(data: T) -> CausalCell<T> {
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CausalCell(UnsafeCell::new(data))
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}
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pub(crate) fn with<F, R>(&self, f: F) -> R
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where
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F: FnOnce(*const T) -> R,
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{
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f(self.0.get())
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}
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pub(crate) fn with_mut<F, R>(&self, f: F) -> R
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where
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F: FnOnce(*mut T) -> R,
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{
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f(self.0.get())
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}
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}
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}
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pub(crate) fn yield_now() {
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::std::sync::atomic::spin_loop_hint();
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}
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