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task::wait_for_local can now return a value

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This commit is contained in:
Lucy 2022-02-07 11:13:13 -05:00
parent 8f170b9147
commit 8c376e1df2
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1 changed files with 8 additions and 5 deletions
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13
applets/cosmic-applet-network/src/task.rs
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@ -14,11 +14,14 @@ pub fn spawn_local<F: Future<Output = ()> + 'static>(future: F) {
gtk4::glib::MainContext::default().spawn_local(future); gtk4::glib::MainContext::default().spawn_local(future);
} }
pub async fn wait_for_local<F: Future<Output = ()> + 'static>(future: F) { pub async fn wait_for_local<O, F>(future: F) -> Option<O>
let (tx, rx) = oneshot::channel::<()>(); where
O: Send + 'static,
F: Future<Output = O> + Send + 'static,
{
let (tx, rx) = oneshot::channel::<O>();
gtk4::glib::MainContext::default().spawn_local(async move { gtk4::glib::MainContext::default().spawn_local(async move {
future.await; std::mem::drop(tx.send(future.await));
let _ = tx.send(());
}); });
std::mem::drop(rx.await); rx.await.ok()
} }