servo/tests/wpt/web-platform-tests/web-locks/interfaces.idl

enum LockMode { "shared", "exclusive" };

dictionary LockOptions {
  LockMode mode = "exclusive";
  boolean ifAvailable = false;
};

callback LockGrantedCallback = any (Lock lock);

[Exposed=Window]
partial interface Navigator {
  [SecureContext] readonly attribute LockManager locks;
};

[Exposed=Worker]
partial interface WorkerNavigator {
  [SecureContext] readonly attribute LockManager locks;
};

[Exposed=(Window,Worker), SecureContext]
interface LockManager {
  Promise<any> request(DOMString name,
                       LockGrantedCallback callback);
  Promise<any> request(DOMString name,
                       LockOptions options,
                       LockGrantedCallback callback);

  Promise<LockManagerSnapshot> query();
};

[Exposed=(Window,Worker), SecureContext]
interface Lock {
  readonly attribute DOMString name;
  readonly attribute LockMode mode;
};

dictionary LockManagerSnapshot {
  sequence<LockInfo> pending;
  sequence<LockInfo> held;
};

dictionary LockInfo {
  DOMString name;
  LockMode mode;
};