Accessing shared memory using token bit held by default by a single processor
US6385704B1 · kind B1 · utility
14Cited by
4References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 14, 1997 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Nov 14, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of operating shared memory in a multiple processor system. A token is by default maintained with a first processor, the token enabling access to shared memory. A determination is made that a second processor requires access to shared memory. A determination is also made as to whether the first processor is accessing to the shared memory. The token is transferred the second processor if the first processor is not accessing the shared memory. The second processor accesses the shared memory with the token.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.