Method and apparatus for releasing and obtaining shared and exclusive locks
US5287521A · kind A · utility
70Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1990 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | Jun 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99938
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data processing method is designed to provide two-mode locks of an exclusive mode lock and a shared mode lock in serializing the access to a shared data list being concurrently processed among processes and release the shared mode lock and simultaneously obtain the exclusive mode lock if no process obtains the lock as a result of releasing the process out of the shared mode lock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.