US Patent 7630988 Computer product and session management method

When a request not yet recognized as belonging to a session sent to a server application written in a non-object-oriented language is received, a session identification data is affixed to the request, and a server instance is created, associating it with a thread shared with the server application. The server application that includes a predetermined function is called. The session management data is retrieved and kept in a variable in the server instance. When the request containing the session identification data is received, the session management data is set in the thread.