examples: cleanup unix socket file (#1137)

Author: tottoto

Cargo.toml

@@ -57,7 +57,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tracing-log = "0.2"
 serde_derive = "1.0"
 handlebars = "6.0"
-tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
+tokio = { version = "1.0", features = ["macros", "rt-multi-thread", "signal"] }
 tokio-stream = "0.1.1"
 
 [features]

examples/unix_socket.rs

@@ -7,11 +7,16 @@ async fn main() {
 
     pretty_env_logger::init();
 
-    let listener = UnixListener::bind("/tmp/warp.sock").unwrap();
+    let socket = "/tmp/warp.sock";
+
+    let listener = UnixListener::bind(socket).unwrap();
     warp::serve(warp::fs::dir("examples/dir"))
         .incoming(listener)
+        .graceful(async { tokio::signal::ctrl_c().await.unwrap() })
         .run()
         .await;
+
+    std::fs::remove_file(socket).unwrap();
 }
 
 #[cfg(not(unix))]