System for providing asynchronous I/O operations by identifying

Details System for providing asynchronous I/O operations by identifying System for providing asynchronous I/O operations by identifying

1998-06-04

2000-12-12

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

710 36, 710 62, 710 72, 709224, G06F 1320, G06F 1322

Patent

active

061611522

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.

REFERENCES:
patent: 4628445 (1986-12-01), Buonomo et al.
patent: 5619710 (1997-04-01), Travis, Jr. et al.
patent: 5689697 (1997-11-01), Edwards et al.
patent: 5862338 (1999-01-01), Walker et al.
patent: 5915095 (1999-06-01), Miskowiec
patent: 5915131 (1999-06-01), Knight et al.

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