Reducing the effect processor blocking
Patent 5202991 Issued on April 13, 1993. Estimated Expiration Date: 
February 13, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 13, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3618045 Priority interrupt mechanism Process management structures and hardware/firmware control Multiprocessor numerical control system Multi-processor task dispatching apparatus Multi-processor system employing job-swapping between different priority processors Priority resolver having dynamically adjustable priority levels Patent #: 4493036 InventorsAssigneeApplicationNo. 655180 filed on 02/13/1991US Classes:718/103, Priority scheduling718/106, Dependency based cooperative processing of multiple programs working together to accomplish a larger task718/107Multitasking, time sharingExaminersPrimary: Eng, David Y.Attorney, Agent or FirmInternational ClassG06F 009/00AbstractThe supply of available tasks that may be executed by a blocked processor while it is waiting for the end of a conflict with another processor, is controlled by temporarily lowering the interrupt priority to a minimum level above which it will be permitted to accept other tasks for execution.Other References
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