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denoland-deno/cli/tokio_util.rs
2020-02-07 17:54:44 -05:00

30 lines
759 B
Rust

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
// TODO(ry) rename to run_local ?
pub fn run_basic<F, R>(future: F) -> R
where
F: std::future::Future<Output = R> + 'static,
{
let mut rt = tokio::runtime::Builder::new()
.basic_scheduler()
.enable_io()
.enable_time()
.build()
.unwrap();
rt.block_on(future)
}
// TODO(ry) maybe replace with tokio::task::spawn_blocking
#[cfg(test)]
pub fn spawn_thread<F, R>(f: F) -> impl std::future::Future<Output = R>
where
F: 'static + Send + FnOnce() -> R,
R: 'static + Send,
{
let (sender, receiver) = tokio::sync::oneshot::channel::<R>();
std::thread::spawn(move || {
let result = f();
sender.send(result)
});
async { receiver.await.unwrap() }
}