global_lock library

A lock shared beyond the current isolate, identified by a name: across the isolates and processes of the machine (io) or the tabs and workers of the origin (web).

import 'package:synchronized/global_lock.dart';

final lock = GlobalLock('my_app_firebase_emulator');

Future<void> useTheEmulator() async {
  await lock.synchronized(() async {
    // Only one isolate or process of the machine runs this at a time.
  }, timeout: const Duration(minutes: 10));
}

Classes

GlobalLock

A lock shared beyond the current isolate, identified by its name.

GlobalLockHandle

A held GlobalLock, see GlobalLock.acquire.