mirror of
https://github.com/tokio-rs/tokio.git
synced 2026-08-29 00:00:11 +02:00
Ivan Petkov
461eebe612
* Add a new `CtrlC` struct which will represent a stream of SIGINT signals on Unix or the CTRL_C event on Windows * `CtrlC` implements `Stream<Output = ()>` rather than `IoSteam` as previously
50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
#![deny(warnings, rust_2018_idioms)]
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#![feature(async_await)]
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use std::error::Error;
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// A trick to not fail build on non-unix platforms when using unix-specific features.
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#[cfg(unix)]
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mod platform {
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use futures_util::stream::StreamExt;
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use std::error::Error;
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use tokio_signal::unix::{Signal, SIGHUP};
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pub async fn main() -> Result<(), Box<dyn Error>> {
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// on Unix, we can listen to whatever signal we want, in this case: SIGHUP
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let mut stream = Signal::new(SIGHUP).await?;
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println!("Waiting for SIGHUPS (Ctrl+C to quit)");
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println!(
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" TIP: use `pkill -sighup sighup-example` from a second terminal \
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to send a SIGHUP to all processes named 'sighup-example' \
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(i.e. this binary)"
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);
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// Up until now, we haven't really DONE anything, just prepared
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// our futures, now it's time to actually await the results!
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while let Some(the_signal) = stream.next().await {
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println!(
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"*Got signal {:#x}* I should probably reload my config \
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or something",
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the_signal
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);
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}
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Ok(())
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}
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}
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#[cfg(not(unix))]
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mod platform {
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use std::error::Error;
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pub async fn main() -> Result<(), Box<dyn Error>> {
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Ok(())
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}
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}
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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platform::main().await
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}
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