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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at
* The origin of this IDL file is
[SecureContext, Exposed=(Window,Worker)]
interface LockManager {
Promise<any> request(DOMString name,
LockGrantedCallback callback);
Promise<any> request(DOMString name,
LockOptions options,
LockGrantedCallback callback);
Promise<LockManagerSnapshot> query();
callback LockGrantedCallback = Promise<any> (Lock? lock);
enum LockMode { "shared", "exclusive" };
dictionary LockOptions {
LockMode mode = "exclusive";
boolean ifAvailable = false;
boolean steal = false;
AbortSignal signal;
dictionary LockManagerSnapshot {
sequence<LockInfo> held;
sequence<LockInfo> pending;
dictionary LockInfo {
DOMString name;
LockMode mode;
DOMString clientId;