private ValueAwaiter <T> GetAwaiterCore()
{
lock (SyncObj)
{
// Now that we hold the lock, try reading again.
T item;
if (TryRead(out item))
{
return(new ValueAwaiter <T>(item));
}
// If no more items will be written, fail the read.
if (_doneWriting != null)
{
return(new ValueAwaiter <T>(ChannelUtilities.GetInvalidCompletionValueTask <T>(_doneWriting)));
}
Debug.Assert(_blockedReader == null || ((_blockedReader as ReaderInteractor <T>)?.Task.IsCanceled ?? false),
"Incorrect usage; multiple outstanding reads were issued against this single-consumer channel");
// Store the reader to be completed by a writer.
_blockedReader = _awaiter ?? (_awaiter = new AutoResetAwaiter <T>(_runContinuationsAsynchronously));
return(new ValueAwaiter <T>(_awaiter));
}
}
public void Ctor_Succeeds(bool runContinuationsAsynchronously)
{
var ara = new AutoResetAwaiter <int>(runContinuationsAsynchronously);
Assert.False(ara.IsCompleted);
}
