Electrical computers and digital processing systems: virtual mac – Virtual machine task or process management
Reexamination Certificate
2006-02-21
2006-02-21
An, Meng-Al T. (Department: 2195)
Electrical computers and digital processing systems: virtual mac
Virtual machine task or process management
C718S107000
Reexamination Certificate
active
07003768
ABSTRACT:
One embodiment of the present invention provides a system for efficient class initialization barrier and access to class information private to a task that enables sharing between multiple tasks/virtual machines of both interpreted platform-independent code and the equivalent native code produced at runtime, wherein a class initialization barrier guarantees that a task initializes a class before the class is first used by the program executed by the task. The system operates by associating the shared runtime representation of classes with tables of pointers to task class mirror objects that hold the task private representation of a class. Entries of task class mirror tables are used both as a mean to encode the initialization status of the associated class for a plurality of tasks, and to provide access to the task private representation of a class loaded by a task irrespectively of the initialization state of the class for this task.
REFERENCES:
patent: 5414848 (1995-05-01), Sandage et al.
patent: 6374286 (2002-04-01), Gee et al.
Czajkowski Grzegorz J.
Daynes Laurent P.
An Meng-Al T.
Grundler Edward J.
Park Vaughan & Fleming LLP
Tang Kenneth
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