Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/third_party/rust/tokio/src/park/either.rs b/third_party/rust/tokio/src/park/either.rs
new file mode 100644
index 0000000000..ee02ec158b
--- /dev/null
+++ b/third_party/rust/tokio/src/park/either.rs
@@ -0,0 +1,74 @@
+#![cfg_attr(not(feature = "full"), allow(dead_code))]
+
+use crate::park::{Park, Unpark};
+
+use std::fmt;
+use std::time::Duration;
+
+pub(crate) enum Either<A, B> {
+    A(A),
+    B(B),
+}
+
+impl<A, B> Park for Either<A, B>
+where
+    A: Park,
+    B: Park,
+{
+    type Unpark = Either<A::Unpark, B::Unpark>;
+    type Error = Either<A::Error, B::Error>;
+
+    fn unpark(&self) -> Self::Unpark {
+        match self {
+            Either::A(a) => Either::A(a.unpark()),
+            Either::B(b) => Either::B(b.unpark()),
+        }
+    }
+
+    fn park(&mut self) -> Result<(), Self::Error> {
+        match self {
+            Either::A(a) => a.park().map_err(Either::A),
+            Either::B(b) => b.park().map_err(Either::B),
+        }
+    }
+
+    fn park_timeout(&mut self, duration: Duration) -> Result<(), Self::Error> {
+        match self {
+            Either::A(a) => a.park_timeout(duration).map_err(Either::A),
+            Either::B(b) => b.park_timeout(duration).map_err(Either::B),
+        }
+    }
+
+    fn shutdown(&mut self) {
+        match self {
+            Either::A(a) => a.shutdown(),
+            Either::B(b) => b.shutdown(),
+        }
+    }
+}
+
+impl<A, B> Unpark for Either<A, B>
+where
+    A: Unpark,
+    B: Unpark,
+{
+    fn unpark(&self) {
+        match self {
+            Either::A(a) => a.unpark(),
+            Either::B(b) => b.unpark(),
+        }
+    }
+}
+
+impl<A, B> fmt::Debug for Either<A, B>
+where
+    A: fmt::Debug,
+    B: fmt::Debug,
+{
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Either::A(a) => a.fmt(fmt),
+            Either::B(b) => b.fmt(fmt),
+        }
+    }
+}