Exposes all host resources.

Might create or destroy other processes.

Creates or manipulates threads other than its own, which might be harmful to the host.

Might cause a resource leak on termination, if not protected by a safe handle or some other means of ensuring the release of resources.

Exposes no host resources.

Exposes the security infrastructure.

Might exit the current process, terminating the server.

Manipulates threads in a way that only affects user code.

Exposes state that might be shared between threads.

Exposes synchronization.

Exposes the user interface.