3 files changed, 16 insertions, 12 deletions

diff --git a/talpid-core/src/routing/unix.rs b/talpid-core/src/routing/unix.rs
index c766fbfbe8..1ac83665db 100644
--- a/talpid-core/src/routing/unix.rs
+++ b/talpid-core/src/routing/unix.rs
@@ -82,23 +82,20 @@ pub enum RouteManagerCommand {
 /// the route will be adjusted dynamically when the default route changes.
 pub struct RouteManager {
     manage_tx: Option<UnboundedSender<RouteManagerCommand>>,
-    runtime: tokio::runtime::Runtime,
+    runtime: tokio::runtime::Handle,
 }
 
 impl RouteManager {
     /// Constructs a RouteManager and applies the required routes.
     /// Takes a set of network destinations and network nodes as an argument, and applies said
     /// routes.
-    pub fn new(required_routes: HashSet<RequiredRoute>) -> Result<Self, Error> {
+    pub fn new(
+        runtime: tokio::runtime::Handle,
+        required_routes: HashSet<RequiredRoute>,
+    ) -> Result<Self, Error> {
         let (manage_tx, manage_rx) = mpsc::unbounded();
-        let mut runtime = tokio::runtime::Builder::new()
-            .threaded_scheduler()
-            .core_threads(1)
-            .max_threads(1)
-            .enable_all()
-            .build()?;
         let manager = runtime.block_on(imp::RouteManagerImpl::new(required_routes))?;
-        runtime.handle().spawn(manager.run(manage_rx));
+        runtime.spawn(manager.run(manage_rx));
 
         Ok(Self {
             runtime,
@@ -243,7 +240,7 @@ impl RouteManager {
     /// Exposes runtime handle
     #[cfg(target_os = "linux")]
     pub fn runtime_handle(&self) -> tokio::runtime::Handle {
-        self.runtime.handle().clone()
+        self.runtime.clone()
     }
 
     /// Route DNS requests through the tunnel interface.
diff --git a/talpid-core/src/routing/windows.rs b/talpid-core/src/routing/windows.rs
index 412384574b..f3e2197602 100644
--- a/talpid-core/src/routing/windows.rs
+++ b/talpid-core/src/routing/windows.rs
@@ -22,18 +22,23 @@ pub type Result<T> = std::result::Result<T, Error>;
 pub struct RouteManager {
     callback_handles: Vec<winnet::WinNetCallbackHandle>,
     is_stopped: bool,
+    runtime: tokio::runtime::Handle,
 }
 
 impl RouteManager {
     /// Creates a new route manager that will apply the provided routes and ensure they exist until
     /// it's stopped.
-    pub fn new(required_routes: HashSet<RequiredRoute>) -> Result<Self> {
+    pub fn new(
+        runtime: tokio::runtime::Handle,
+        required_routes: HashSet<RequiredRoute>,
+    ) -> Result<Self> {
         if !winnet::activate_routing_manager() {
             return Err(Error::FailedToStartManager);
         }
         let manager = Self {
             callback_handles: vec![],
             is_stopped: false,
+            runtime,
         };
         manager.add_routes(required_routes)?;
         Ok(manager)
diff --git a/talpid-core/src/tunnel_state_machine/mod.rs b/talpid-core/src/tunnel_state_machine/mod.rs
index b98eb820d1..9b33e8ae48 100644
--- a/talpid-core/src/tunnel_state_machine/mod.rs
+++ b/talpid-core/src/tunnel_state_machine/mod.rs
@@ -109,6 +109,7 @@ pub async fn spawn(
     let (startup_result_tx, startup_result_rx) = sync_mpsc::channel();
     std::thread::spawn(move || {
         let state_machine = TunnelStateMachine::new(
+            runtime.clone(),
             allow_lan,
             block_when_disconnected,
             is_offline,
@@ -189,6 +190,7 @@ struct TunnelStateMachine {
 
 impl TunnelStateMachine {
     fn new(
+        runtime: tokio::runtime::Handle,
         allow_lan: bool,
         block_when_disconnected: bool,
         is_offline: bool,
@@ -209,7 +211,7 @@ impl TunnelStateMachine {
         let firewall = Firewall::new(args).map_err(Error::InitFirewallError)?;
         let dns_monitor = DnsMonitor::new(cache_dir).map_err(Error::InitDnsMonitorError)?;
         let route_manager =
-            RouteManager::new(HashSet::new()).map_err(Error::InitRouteManagerError)?;
+            RouteManager::new(runtime, HashSet::new()).map_err(Error::InitRouteManagerError)?;
         let mut shared_values = SharedTunnelStateValues {
             firewall,
             dns_monitor,