signal: Upgrade ctrl+c example into cargo run-able version with proper Cargo.toml

examples/ctrl-c/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "ctrl-c"
+version = "0.1.0"
+authors = ["Jules Kerssemakers <[email protected]>"]
+
+[dependencies]
+futures = "0.1.14"
+tokio-core = "0.1.7"
+tokio-signal = "0.1"

examples/ctrl-c/src/main.rs

@@ -0,0 +1,17 @@
+extern crate futures;
+extern crate tokio_core;
+extern crate tokio_signal;
+
+use futures::stream::Stream;
+use tokio_core::reactor::Core;
+
+fn main() {
+    let mut core = Core::new().unwrap();
+    let ctrlc = tokio_signal::ctrl_c(&core.handle());
+    let stream = core.run(ctrlc).unwrap();
+
+    core.run(stream.for_each(|()| {
+        println!("Ctrl-C received!");
+        Ok(())
+    })).unwrap();
+}