I\'m fond of using UML diagrams to describe my software. In the majority of cases the diagrams are for my own use and I use them for more involved pieces of code, interactio
I don't know of a way, but using a sequence diagram does not seem entirely inappropriate, considering that a thread is in many languages implemented as a Thread
(or similar) class.
The most UML-compatible way would probably be to add an annotation of some sort indicating that the 'object' represents a thread.