ignore screen shutdown errors

terminus-terminal/src/components/terminalTab.component.ts

@@ -322,7 +322,7 @@ export class TerminalTabComponent extends BaseTabComponent {
 
     async destroy () {
         super.destroy()
-        if (this.session) {
+        if (this.session && this.session.open) {
             await this.session.destroy()
         }
     }

terminus-terminal/src/persistenceProviders.ts

@@ -110,6 +110,10 @@ export class ScreenPersistenceProvider extends SessionPersistenceProvider {
     }
 
     async terminateSession (recoveryId: string): Promise<void> {
-        await exec(`screen -S ${recoveryId} -X quit`)
+        try {
+            await exec(`screen -S ${recoveryId} -X quit`)
+        } catch (_) {
+            // screen has already quit
+        }
     }
 }