Apparatus and method for decreasing the response times of interrupt service routines
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Jan 29, 1998
filing date -
Feb 3, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for allowing interrupt service routines to minimize the latency between the occurrence of a hardware interrupt signal and the execution of a modular interrupt service routine. In a preferred embodiment, a method for allowing modular interrupt service routines to be inserted in the hierarchy of a MS Windows protected mode operating system modules in a manner which minimizes the above mentioned latencies for the hardware interrupt request line 0 (IRQ 0). In another embodiment, a method for allowing modular interrupt service routines to be inserted in the hierarchy of MS Windows protected mode operating system modules in a manner which minimizes the above mentioned latencies for all hardware interrupt request lines (IRQs) signals other than IRQ 0.
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