System for providing asynchronous I/O operations by identifying and polling a portal from an application process using a table of entries corresponding to I/O operations
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United States of America Patent
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Dec 12, 2000
Grant Date -
N/A
app pub date -
Jun 4, 1998
filing date -
Jun 4, 1998
priority date (Note) -
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Abstract
A method and apparatus for issuing a non-blocking system call to an I/O interface process, the non-blocking system call identifying a portal from an application process, and polling the portal to determine if an I/O request is complete, the I/O interface process: polling an I/O device in response to the non-blocking system call to determine if the I/O operation is complete; and indicating that the I/O operation is complete using the portal.
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