public AsyncEntryBlockUC Enter()
{
using (SpinLock.Enter())
{
if (LockStatus == Status.Opened)
{
LockStatus = Status.Locked;
return(new AsyncEntryBlockUC(ExclusiveEntry));
}
AccessItem access;
Queue.Enqueue(access = AccessItem.NewTCS());
return(new AsyncEntryBlockUC(null, access.TCS));
}
}
public EntryBlockUC Enter()
{
AccessItem access;
using (SpinLock.Enter())
{
if (LockStatus == Status.Opened)
{
LockStatus = Status.Locked;
return(ExclusiveEntry);
}
Queue.Enqueue(access = AccessItem.NewTCS());
}
return(access.WaitForResult()); //waiting synchronously for completion
}