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
US6161152A · kind A · utility
19Cited by
6References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 4, 1998 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Jun 4, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.