🐛 Turns out I had the modules all wrong. This one works good

src/bin/ptth_relay.rs

@@ -3,42 +3,17 @@ use std::{
 	sync::Arc,
 };
 
-use tokio::sync::oneshot;
-
-mod load_toml;
-
 use ptth::relay;
 use ptth::relay::RelayState;
 
 #[tokio::main]
 async fn main () -> Result <(), Box <dyn Error>> {
-	let config_file = load_toml::load ("config/ptth_relay.toml");
+	let config_file = ptth::load_toml::load ("config/ptth_relay.toml");
 	
 	eprintln! ("ptth_relay Git version: {:?}", ptth::git_version::GIT_VERSION);
 	
-	let rx = {
-		let (tx, rx) = oneshot::channel::<()> ();
-		
-		// I have to put the tx into a Cell here so that if Ctrl-C gets
-		// called multiple times, we won't send multiple shutdowns to the
-		// oneshot channel. (Which would be a compile error)
-		
-		let tx = Some (tx);
-		let tx = std::cell::Cell::new (tx);
-		
-		ctrlc::set_handler (move ||{
-			let tx = tx.replace (None);
-			
-			if let Some (tx) = tx {
-				tx.send (()).unwrap ();
-			}
-		}).expect ("Error setting Ctrl-C handler");
-		
-		rx
-	};
-	
 	relay::run_relay (
 		Arc::new (RelayState::from (&config_file)),
-		rx
+		ptth::graceful_shutdown::init ()
 	).await
 }

src/bin/ptth_server.rs

@@ -4,9 +4,6 @@ use std::{
 };
 
 use structopt::StructOpt;
-use tokio::sync::oneshot;
-
-mod load_toml;
 
 #[derive (Debug, StructOpt)]
 struct Opt {
@@ -18,31 +15,10 @@ struct Opt {
 async fn main () -> Result <(), Box <dyn Error>> {
 	tracing_subscriber::fmt::init ();
 	
-	let config_file = load_toml::load ("config/ptth_server.toml");
+	let config_file = ptth::load_toml::load ("config/ptth_server.toml");
-	
-	let rx = {
-		let (tx, rx) = oneshot::channel::<()> ();
-		
-		// I have to put the tx into a Cell here so that if Ctrl-C gets
-		// called multiple times, we won't send multiple shutdowns to the
-		// oneshot channel. (Which would be a compile error)
-		
-		let tx = Some (tx);
-		let tx = std::cell::Cell::new (tx);
-		
-		ctrlc::set_handler (move ||{
-			let tx = tx.replace (None);
-			
-			if let Some (tx) = tx {
-				tx.send (()).unwrap ();
-			}
-		}).expect ("Error setting Ctrl-C handler");
-		
-		rx
-	};
 	
 	ptth::server::run_server (
 		config_file, 
-		rx
+		ptth::graceful_shutdown::init ()
 	).await
 }

src/graceful_shutdown.rs

@@ -0,0 +1,23 @@
+use std::cell::Cell;
+use tokio::sync::oneshot;
+
+pub fn init () -> oneshot::Receiver <()> {
+	let (tx, rx) = oneshot::channel::<()> ();
+	
+	// I have to put the tx into a Cell here so that if Ctrl-C gets
+	// called multiple times, we won't send multiple shutdowns to the
+	// oneshot channel. (Which would be a compile error)
+	
+	let tx = Some (tx);
+	let tx = Cell::new (tx);
+	
+	ctrlc::set_handler (move ||{
+		let tx = tx.replace (None);
+		
+		if let Some (tx) = tx {
+			tx.send (()).unwrap ();
+		}
+	}).expect ("Error setting Ctrl-C handler");
+	
+	rx
+}

src/lib.rs

@@ -11,6 +11,8 @@ pub const PTTH_MAGIC_HEADER: &str = "X-PTTH-2LJYXWC4";
 // test stuff like spawn them both in the same process
 
 pub mod git_version;
+pub mod graceful_shutdown;
+pub mod load_toml;
 pub mod relay;
 pub mod server;