Rendering context manager for display adapters supporting multiple domains
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United States of America Patent
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-
Nov 22, 1994
Issued Date -
N/A
app pub date -
Feb 25, 1993
filing date -
Feb 13, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multitasking data processing system for executing a plurality of processes is provided that includes a single peripheral device addressable through two ports. A peripheral device manager is provided that includes the capability of (1) allowing access to only a single process for accessing the peripheral device and (2) the capability to provide access to a first process while simultaneously and concurrently providing access to a second process to a second port.
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