Get shared process socket path to the environment service

packages/vscode/src/fill/environmentService.ts

@@ -0,0 +1,13 @@
+import * as paths from "./paths";
+import * as environment from "vs/platform/environment/node/environmentService";
+
+export class EnvironmentService extends environment.EnvironmentService {
+
+	public get sharedIPCHandle(): string {
+		return paths._paths.socketPath || super.sharedIPCHandle;
+	}
+
+}
+
+// @ts-ignore
+environment.EnvironmentService = EnvironmentService;