28 lines
910 B
Rust
28 lines
910 B
Rust
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use std::{io, time::Duration};
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#[cfg(feature = "event-stream")]
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use super::sys::Waker;
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use super::InternalEvent;
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#[cfg(unix)]
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pub(crate) mod unix;
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#[cfg(windows)]
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pub(crate) mod windows;
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/// An interface for trying to read an `InternalEvent` within an optional `Duration`.
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pub(crate) trait EventSource: Sync + Send {
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/// Tries to read an `InternalEvent` within the given duration.
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///
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/// # Arguments
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///
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/// * `timeout` - `None` block indefinitely until an event is available, `Some(duration)` blocks
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/// for the given timeout
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///
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/// Returns `Ok(None)` if there's no event available and timeout expires.
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fn try_read(&mut self, timeout: Option<Duration>) -> io::Result<Option<InternalEvent>>;
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/// Returns a `Waker` allowing to wake/force the `try_read` method to return `Ok(None)`.
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#[cfg(feature = "event-stream")]
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fn waker(&self) -> Waker;
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}
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