refactor builtin fd handling a bit

1 files changed, 11 insertions, 0 deletions

diff --git a/src/mutex.rs b/src/mutex.rs
new file mode 100644
index 0000000..51192a8
--- /dev/null
+++ b/src/mutex.rs
@@ -0,0 +1,11 @@
+pub type Mutex<T> = async_std::sync::Arc<async_std::sync::Mutex<T>>;
+
+pub fn new<T>(t: T) -> async_std::sync::Arc<async_std::sync::Mutex<T>> {
+    async_std::sync::Arc::new(async_std::sync::Mutex::new(t))
+}
+
+pub fn unwrap<T: std::fmt::Debug>(t: Mutex<T>) -> T {
+    async_std::sync::Mutex::into_inner(
+        async_std::sync::Arc::try_unwrap(t).unwrap(),
+    )
+}