public static void TaskThreadIsBackgroundWhileWaiting()
{
var manualResetEvent = new ManualResetEvent[1];
using (manualResetEvent[0] = new ManualResetEvent(false))
{
Thread thread = null;
var task = TaskEx.Run
(
() =>
{
thread = Thread.CurrentThread;
manualResetEvent[0].WaitOne();
}
);
ThreadingHelper.SpinWaitWhileNull(ref thread);
Assert.IsTrue((thread.ThreadState & ThreadState.Background) != 0);
manualResetEvent[0].Set();
task.Wait();
}
}
public static void TaskThreadIsBackgroundWhileLooping()
{
var signal = new[] { 0 };
Thread thread = null;
TaskEx.Run
(
() =>
{
thread = Thread.CurrentThread;
var spinWait = new SpinWait();
while (Volatile.Read(ref signal[0]) == 0)
{
spinWait.SpinOnce();
}
}
);
ThreadingHelper.SpinWaitWhileNull(ref thread);
Assert.IsTrue((thread.ThreadState & ThreadState.Background) != 0);
ThreadEx.MemoryBarrier();
Volatile.Write(ref signal[0], 1);
}
