using System; using System.Collections.Generic; using System.Linq; using System.Reactive.Disposables; using System.Text; using System.Threading; using System.Threading.Tasks; namespace Wabbajack.Common { public class AsyncLock { private readonly SemaphoreSlim _lock = new SemaphoreSlim(1, 1); public async Task WaitAsync() { await _lock.WaitAsync(); return Disposable.Create(() => _lock.Release()); } } }