Some time ago (10 years) we implemented this as 'continuations' into our own game engine. E.g. see https://felipec.wordpress.com/2008/09/28/continuations-in-c-e

Some time ago (10 years) we implemented this as 'continuations' into our own game engine. E.g. see https://felipec.wordpress.com/2008/09/28/continuations-in-c-easy-asynchronous-stuff/ https://felipec.wordpress.com/2008/09/28/continuations-in-c-... and http://c2.com/cgi/wiki?ContinuationImplementation http://c2.com/cgi/wiki?ContinuationImplementation