1 files changed, 20 insertions, 0 deletions
diff --git a/cli/util/sync/async_flag.rs b/cli/util/sync/async_flag.rs
new file mode 100644
index 000000000..2bdff63c0
--- /dev/null
+++ b/cli/util/sync/async_flag.rs
@@ -0,0 +1,20 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+use tokio_util::sync::CancellationToken;
+
+#[derive(Debug, Default, Clone)]
+pub struct AsyncFlag(CancellationToken);
+
+impl AsyncFlag {
+  pub fn raise(&self) {
+    self.0.cancel();
+  }
+
+  pub fn is_raised(&self) -> bool {
+    self.0.is_cancelled()
+  }
+
+  pub fn wait_raised(&self) -> impl std::future::Future<Output = ()> + '_ {
+    self.0.cancelled()
+  }
+}