Method and apparatus for controlling a re-entrant synchronization lock tenure in a multiprocessor system
US5317737A · kind A · utility
19Cited by
13References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1991 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Jul 29, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/524
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for extending a tenure of a process that owns a system process that has shared data or resources and also is requesting the owned system process. The ability to extend the tenure of the owning process allows the nesting of requests to the system process. By properly ordering how the requests are nested, deadlocks may be avoided. Additionally, by extending the tenure of a current process, some unnecessary changes in processor instructions and data may be avoided and processing efficiency increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.