Vendor dependencies for 0.3.0 release

vendor/ctrlc/src/signal.rs

@@ -0,0 +1,23 @@
+// Copyright (c) 2017 CtrlC developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+
+use crate::platform;
+
+/// A cross-platform way to represent Ctrl-C or program termination signal. Other
+/// signals/events are supported via `Other`-variant.
+#[derive(Debug)]
+pub enum SignalType {
+    /// Ctrl-C
+    Ctrlc,
+    /// Program termination
+    /// Maps to `SIGTERM` and `SIGHUP` on *nix, `CTRL_CLOSE_EVENT` on Windows.
+    Termination,
+    /// Other signal/event using platform-specific data
+    Other(platform::Signal),
+}