1 files changed, 52 insertions, 0 deletions
diff --git a/core/src/async_runtime/task.rs b/core/src/async_runtime/task.rs
new file mode 100644
index 0000000..a681b0f
--- /dev/null
+++ b/core/src/async_runtime/task.rs
@@ -0,0 +1,52 @@
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+use crate::error::Error;
+
+pub struct Task<T> {
+    #[cfg(feature = "smol")]
+    inner_task: smol::Task<T>,
+    #[cfg(feature = "tokio")]
+    inner_task: tokio::task::JoinHandle<T>,
+}
+
+impl<T> Task<T> {
+    pub async fn cancel(self) {
+        #[cfg(feature = "smol")]
+        self.inner_task.cancel().await;
+        #[cfg(feature = "tokio")]
+        self.inner_task.abort();
+    }
+}
+
+impl<T> Future for Task<T> {
+    type Output = Result<T, Error>;
+
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        #[cfg(feature = "smol")]
+        let result = smol::Task::poll(Pin::new(&mut self.inner_task), cx);
+        #[cfg(feature = "tokio")]
+        let result = tokio::task::JoinHandle::poll(Pin::new(&mut self.inner_task), cx);
+
+        #[cfg(feature = "smol")]
+        return result.map(Ok);
+
+        #[cfg(feature = "tokio")]
+        return result.map_err(|e| e.into());
+    }
+}
+
+#[cfg(feature = "smol")]
+impl<T> From<smol::Task<T>> for Task<T> {
+    fn from(t: smol::Task<T>) -> Task<T> {
+        Task { inner_task: t }
+    }
+}
+
+#[cfg(feature = "tokio")]
+impl<T> From<tokio::task::JoinHandle<T>> for Task<T> {
+    fn from(t: tokio::task::JoinHandle<T>) -> Task<T> {
+        Task { inner_task: t }
+    }
+}