Refactored the shutdown creation

runtime/src/runtime_api.rs

@@ -1,6 +1,4 @@
-#[cfg(unix)]
 use std::collections::HashSet;
-
 use log::info;
 use once_cell::sync::Lazy;
 use rocket::config::Shutdown;
@@ -28,24 +26,8 @@ pub fn start_runtime_api() {
     let api_port = *API_SERVER_PORT;
     info!("Try to start the API server on 'http://localhost:{api_port}'...");
     
-    // The shutdown configuration for the runtime API server:
+    // Get the shutdown configuration:
-    let shutdown = Shutdown {
+    let shutdown = create_shutdown(cfg!(windows));
-        // We do not want to use the Ctrl+C signal to stop the server:
-        ctrlc: false,
-
-        // Everything else is set to default for now:
-        ..Shutdown::default()
-    };
-
-    #[cfg(unix)]
-    {
-        // Now, shutdown needs to be mutable:
-        let mut shutdown = shutdown;
-        
-        // We do not want to use the termination signal to stop the server.
-        // This option, however, is only available on Unix systems:
-        shutdown.signals = HashSet::new();
-    }
 
     // Configure the runtime API server:
     let figment = Figment::from(rocket::Config::release_default())
@@ -101,3 +83,19 @@ pub fn start_runtime_api() {
             .launch().await.unwrap();
     });
 }
+
+fn create_shutdown(for_windows: bool) -> Shutdown {
+    let mut shutdown = Shutdown {
+        // We do not want to use the Ctrl+C signal to stop the server:
+        ctrlc: false,
+
+        // Everything else is set to default for now:
+        ..Shutdown::default()
+    };
+
+    if for_windows {
+        shutdown.signals = HashSet::new();
+    }
+    
+    shutdown
+}