Resource access control

Details Resource access control Resource access control

G - Physics

06

F

G06F 9/44 (2006.01) G06F 9/50 (2006.01)

Patent

CA 2533262

A method and apparatus for enabling multiple application programs to control a system's physical resources by way of multiple resource proxies, while still enabling exclusive control of the physical resource by one application program. Control tokens are used to limit control to one proxy. The proxy having the control token is tracked in an access control list. Java API methods that can alter the state of a physical resource are marked with an access control attribute during grinding. A resource management module intercepts API methods attempting to obtain control of the physical resource. If a proxy controlled by the application program invoking the intercepted method has control the method is allowed to use the proxy to control the physical resource.

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