private static HashSet <Guid> ThreadsWaitingForMyLocks(Guid owner, PessimisticLockFactory locksInUse)
{
var waitingThreads = new HashSet <Guid>();
locksInUse._locks.Values.Where(x => x.CurrentOwner == owner)
.ToList()
.ForEach(disposableLock => disposableLock.Waiters
.Where(x => waitingThreads.Add(x))
.ForEach(threadId => ThreadsWaitingForMyLocks(threadId, locksInUse).ForEach(x => waitingThreads.Add(x))));
return(waitingThreads);
}
private void CheckForDeadlock()
{
if (!IsOwner && IsLocked)
{
foreach (var threadId in PessimisticLockFactory.ThreadsWaitingForMyLocks(CurrentThreadId, PessimisticLockFactory.Instance))
{
if (CurrentOwner == threadId)
{
throw new DeadlockException("An imminent deadlock was detected while attempting to acquire a lock");
}
}
}
}