1 files changed, 13 insertions, 3 deletions

diff --git a/src/vs/workbench/services/lifecycle/common/lifecycle.ts b/src/vs/workbench/services/lifecycle/common/lifecycle.ts
index 199577ebfde..a8c2c9e2cd6 100644
--- a/src/vs/workbench/services/lifecycle/common/lifecycle.ts
+++ b/src/vs/workbench/services/lifecycle/common/lifecycle.ts
@@ -65,6 +65,11 @@ export interface BeforeShutdownErrorEvent {
 	readonly error: Error;
 }
 
+export interface IWillShutdownEventJoiner {
+	id: string;
+	label: string;
+}
+
 /**
  * An event that is send out when the window closes. Clients have a chance to join the closing
  * by providing a promise from the join method. Returning a promise is useful in cases of long
@@ -90,10 +95,15 @@ export interface WillShutdownEvent {
 	 * Allows to join the shutdown. The promise can be a long running operation but it
 	 * will block the application from closing.
 	 *
-	 * @param id to identify the join operation in case it takes very long or never
+	 * @param joiner to identify the join operation in case it takes very long or never
 	 * completes.
 	 */
-	join(promise: Promise<void>, id: string): void;
+	join(promise: Promise<void>, joiner: IWillShutdownEventJoiner): void;
+
+	/**
+	 * Allows to access the joiners that have not finished joining this event.
+	 */
+	joiners(): IWillShutdownEventJoiner[];
 
 	/**
 	 * Allows to enforce the shutdown, even when there are
@@ -170,7 +180,7 @@ export const enum LifecyclePhase {
 	Eventually = 4
 }
 
-export function LifecyclePhaseToString(phase: LifecyclePhase) {
+export function LifecyclePhaseToString(phase: LifecyclePhase): string {
 	switch (phase) {
 		case LifecyclePhase.Starting: return 'Starting';
 		case LifecyclePhase.Ready: return 'Ready';