/// <summary>
/// Waits for either the task completion, or arrival of the stop signal.
/// If stop signal was raised, default(T)/null will be returned.
/// Otherwise, task result till be returned.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="waitExitSignal"></param>
/// <param name="task"></param>
/// <returns></returns>
public static T WaitUntilStopped <T>(this WaitHandle waitExitSignal, Task <T> task)
{
Task completedTask;
int index = WaitAny(out completedTask, waitExitSignal.AsTask(), ApplicationExiting.AsTask(), task);
return(index == 2 ? ((Task <T>)completedTask).Result : default(T));
}
/// <summary>
/// Returns true if task was completed, false if exit signal was raised.
/// </summary>
/// <param name="waitExitSignal"></param>
/// <param name="task"></param>
/// <returns></returns>
public static bool WaitUntilStopped(this WaitHandle waitExitSignal, Task task)
{
Task completedTask;
int index = WaitAny(out completedTask, waitExitSignal.AsTask(), ApplicationExiting.AsTask(), task);
return(index == 2);
}
public static Task AsTask(this WaitHandle handle)
{
return(handle.AsTask(Timeout.InfiniteTimeSpan));
}
