Zero/ZeroLevel/Services/Async/AsyncHelper.cs

using System;
using System.Threading;
using System.Threading.Tasks;

namespace ZeroLevel.Services.Async
{
    public static class AsyncHelper
    {
        private static readonly TaskFactory _taskFactory = new
            TaskFactory(CancellationToken.None,
                        TaskCreationOptions.None,
                        TaskContinuationOptions.None,
                        TaskScheduler.Default);

        public static TResult RunSync<TResult>(Func<Task<TResult>> func)
            => _taskFactory
                .StartNew(func)
                .Unwrap()
                .GetAwaiter()
                .GetResult();

        public static void RunSync(Func<Task> func)
            => _taskFactory
                .StartNew(func)
                .Unwrap()
                .GetAwaiter()
                .GetResult();

        public async static Task<T> WithTimeout<T>(this Task<T> task, int duration)
        {
            var retTask = await Task.WhenAny(task, Task.Delay(duration))
                                    .ConfigureAwait(false);

            if (retTask is Task<T>) return task.Result;
            return default(T);
        }
    }
}