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// Inspired by https://github.com/vorner/signal-hook/blob/3473f4520a710f05d352275731100807196de519/examples/print.rs
use async_signal::{Signal, Signals};
use futures_lite::prelude::*;
use signal_hook::low_level;
fn main() -> Result<(), Box<dyn std::error::Error>> {
async_io::block_on(async {
// Register the signals we want to receive.
#[cfg(unix)]
let signals = Signals::new([
Signal::Term,
Signal::Quit,
Signal::Int,
Signal::Tstp,
Signal::Winch,
Signal::Hup,
Signal::Child,
Signal::Cont,
])?;
#[cfg(windows)]
let signals = Signals::new([Signal::Int])?;
// Loop over the signals.
signals
.for_each(|signal| {
// Print the signal.
eprintln!("Received signal {:?}", signal);
// After printing it, do whatever the signal was supposed to do in the first place.
low_level::emulate_default_handler(signal.unwrap() as i32).unwrap();
})
.await;
Ok(())
})
}
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