there is AtomicQueue

I want something more simple which not force me to remember what is semaphore, monitor, mutex ��or whatever. Something like this:

threadSafeCollection := AnyCollectionClass threadSafe.

or

threadSafeCollection := AnyCollectionInstance threadSafe.

or more general

threadSafeObject := AnyObjectInstance threadSafe

Thread safe wrappers should allow concurrent reads which blocked on writes and writes which blocked on anything.��

For example collection #add: method should wait until current #do: or #add: completes.�� And #do: should wait until current #add: completes.

I do not think that we have such behavior.