Patent ID: 6279026
Filing Date: 2001-08-21
Classification: G06F

Abstract:
A real-time process control system, comprising:a computer system;a plurality of sensors and controllable devices;a data bus coupling said computer system to said plurality of sensors and controllable devices, said plurality of sensors and controllable devices representing resources for said computer system;a client, associated with said computer system and capable of generating a request for information from one of said resources; anda timeout object for time-limiting said request that includes:a client interface that receives, from said client, said request and a time-based parameter, anda resource interface that forwards said request to said one of said resources and waits for said information an amount of time that is a function of said time-based parameter, said client interface:returning said information to said client if said timeout object receives said information within said amount of time, andreturning a timeout indicator to said client if said timeout object fails to receive said information within said amount of time.