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use tokio::sync::broadcast;
pub struct Shutdown {
shutdown: bool,
sender: broadcast::Sender<()>,
receiver: broadcast::Receiver<()>,
}
impl Shutdown {
pub fn new() -> Self {
let (sender, receiver) = broadcast::channel(1);
Self {
shutdown: false,
sender,
receiver,
}
}
pub fn trigger(&self) {
let _ = self.sender.send(());
}
pub async fn recv(&mut self) {
if self.shutdown {
return;
}
let _ = self.receiver.recv().await;
self.shutdown = true;
}
}
impl Clone for Shutdown {
fn clone(&self) -> Self {
let sender = self.sender.clone();
let receiver = self.sender.subscribe();
Self {
shutdown: self.shutdown,
sender,
receiver,
}
}
}