internal LockToken AssertNotCanceled()
{
if (LockState.IsCanceled(_token))
{
ThrowCanceled();
}
return(this);
void ThrowCanceled() => throw new TaskCanceledException();
}
private void OnAssignedImpl() // make sure this happens on the
{ // scheduler's thread to avoid the release thread being stolen
var token = LockState.GetResult(ref _token);
if (LockState.IsCanceled(token))
{
TrySetCanceled();
}
else
{
TrySetResult(new LockToken(_mutex, token));
}
}
bool IAsyncPendingLockToken.IsCanceled(short key) => LockState.IsCanceled(Volatile.Read(ref _tokens[key]));
bool IAsyncPendingLockToken.IsCanceled(short key) => LockState.IsCanceled(_token);
