Apparatus and method for securing resources shared by multiple operating systems
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United States of America Patent
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Nov 23, 2004
Grant Date -
N/A
app pub date -
Nov 18, 1999
filing date -
Nov 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for securing system resources in a concurrent multiple operating system environment wherein when a client device or application requests access to system resources the request is received by the apparatus which then determines if the resources requested are currently being used by another client or application. Based on a unique identifier sent by the client or application, the apparatus searches a resource state data structure for the resource requested and compares the unique identifier sent by the client or application with the unique identifier stored in the resource state data structure in association with the requested resource. If the two unique identifiers are the same, the client/application is provided with access to the requested resource. If the unique identifiers are different, the client/application is denied access to the requested resources.
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