#40196 Dispose output writers on shutdown

src/vs/workbench/parts/output/electron-browser/outputServices.ts

@@ -32,6 +32,7 @@ import { IWorkbenchEditorService } from 'vs/workbench/services/editor/common/edi
 import { IEnvironmentService } from 'vs/platform/environment/common/environment';
 import { RotatingLogger } from 'spdlog';
 import { toLocalISOString } from 'vs/base/common/date';
+import { ILifecycleService } from 'vs/platform/lifecycle/common/lifecycle';
 
 const OUTPUT_ACTIVE_CHANNEL_KEY = 'output.activechannel';
 
@@ -235,6 +236,7 @@ class AppendableFileOutputChannel extends AbstractOutputChannel implements Outpu
 
 		this.outputWriter = new RotatingLogger(this.id, this.file.fsPath, 1024 * 1024 * 30, 5);
 		this.outputWriter.clearFormatters();
+		this._register(toDisposable(() => this.outputWriter.drop()));
 	}
 
 	append(message: string): void {
@@ -270,7 +272,7 @@ class AppendableFileOutputChannel extends AbstractOutputChannel implements Outpu
 	}
 }
 
-export class OutputService implements IOutputService, ITextModelContentProvider {
+export class OutputService extends Disposable implements IOutputService, ITextModelContentProvider {
 
 	public _serviceBrand: any;
 
@@ -289,8 +291,10 @@ export class OutputService implements IOutputService, ITextModelContentProvider
 		@IWorkspaceContextService contextService: IWorkspaceContextService,
 		@ITextModelService textModelResolverService: ITextModelService,
 		@IWorkbenchEditorService private editorService: IWorkbenchEditorService,
-		@IEnvironmentService private environmentService: IEnvironmentService
+		@IEnvironmentService private environmentService: IEnvironmentService,
+		@ILifecycleService lifecycleService: ILifecycleService
 	) {
+		super();
 		const channels = this.getChannels();
 		this.activeChannelId = this.storageService.get(OUTPUT_ACTIVE_CHANNEL_KEY, StorageScope.WORKSPACE, channels && channels.length > 0 ? channels[0].id : null);
 
@@ -302,6 +306,8 @@ export class OutputService implements IOutputService, ITextModelContentProvider
 		this.onDidPanelOpen(this.panelService.getActivePanel());
 		panelService.onDidPanelOpen(this.onDidPanelOpen, this);
 		panelService.onDidPanelClose(this.onDidPanelClose, this);
+
+		lifecycleService.onShutdown(() => this.dispose());
 	}
 
 	provideTextContent(resource: URI): TPromise<IModel> {
@@ -409,4 +415,9 @@ export class OutputService implements IOutputService, ITextModelContentProvider
 		const label = channelData ? channelData.label : channelId;
 		return this.instantiationService.createInstance(ResourceEditorInput, nls.localize('output', "{0} - Output", label), nls.localize('channel', "Output channel for '{0}'", label), resource);
 	}
+
+	dispose(): void {
+		this.channels.forEach(channel => channel.dispose());
+		super.dispose();
+	}
 }
\ No newline at end of file