Method for providing a virtual execution environment on a target computer using a virtual software machine
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United States of America Patent
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Oct 2, 1990
Issued Date -
N/A
app pub date -
Aug 10, 1989
filing date -
Nov 6, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for providing application program portability and consistency across a number of different hardware, database, transaction processing and operating system environments. In the preferred embodiment, the system includes a plurality of processes for performing one or more tasks required by the application software in one or more distributed processors of a heterogenous or 'target' computer. In a run-time mode, program code of the application software is pre-processed, compiled and linked with system interface modules to create code executable by a operating system of the target computer. The executable code, which includes a number of functional calls to the processes, is run by the operating system to enable the processes to perform the tasks required by the application software. Communications to and from the processes are routed by a blackboard switch logic through a partitioned storage area or 'blackboard'.
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