1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/rust/mio-0.6.23/src/deprecated/handler.rs b/third_party/rust/mio-0.6.23/src/deprecated/handler.rs
new file mode 100644
index 0000000000..db1bc314a7
--- /dev/null
+++ b/third_party/rust/mio-0.6.23/src/deprecated/handler.rs
@@ -0,0 +1,37 @@
+use {Ready, Token};
+use deprecated::{EventLoop};
+
+#[allow(unused_variables)]
+pub trait Handler: Sized {
+    type Timeout;
+    type Message;
+
+    /// Invoked when the socket represented by `token` is ready to be operated
+    /// on. `events` indicates the specific operations that are
+    /// ready to be performed.
+    ///
+    /// For example, when a TCP socket is ready to be read from, `events` will
+    /// have `readable` set. When the socket is ready to be written to,
+    /// `events` will have `writable` set.
+    ///
+    /// This function will only be invoked a single time per socket per event
+    /// loop tick.
+    fn ready(&mut self, event_loop: &mut EventLoop<Self>, token: Token, events: Ready) {
+    }
+
+    /// Invoked when a message has been received via the event loop's channel.
+    fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Self::Message) {
+    }
+
+    /// Invoked when a timeout has completed.
+    fn timeout(&mut self, event_loop: &mut EventLoop<Self>, timeout: Self::Timeout) {
+    }
+
+    /// Invoked when `EventLoop` has been interrupted by a signal interrupt.
+    fn interrupted(&mut self, event_loop: &mut EventLoop<Self>) {
+    }
+
+    /// Invoked at the end of an event loop tick.
+    fn tick(&mut self, event_loop: &mut EventLoop<Self>) {
+    }
+}