Input/output completion port queue data structures and methods for using same
US6223207A · kind A · utility
99Cited by
10References
45Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 13, 1998 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Jan 13, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/52
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A technique for performing multiple simultaneous asynchronous input/output operations in a computer operating system. An input/output completion port object is created and associated with a file descriptor. When I/O services are requested on the file descriptor, completion is indicated by a message queued to the I/O completion port. A process requesting I/O services is not notified of completion of the I/O services, but instead checks the I/O completion port's queue to determine the status of its I/O requests. The I/O completion port manages multiple threads and their concurrency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.