System to pass through resource information
US5446875A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1994 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Jan 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2097
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for passing through resource information in a computer system including an actual process, a back-up process, and a shared memory connected to the actual process and the back-up process. The actual process includes information which is stored in the shared memory and passed through to the back-up process by passing the contents of the shared memory to the back-up process. The back-up process performs an operation as a new actual process after being passed the contents of the shared memory when the actual process is not operable. The shared memory includes two sets of areas which respectively include an original information area storing information which is transmitted from the actual process to the back-up process, and a difference area storing information related to a change when the actual process changes the original information area. The back-up process reads out information stored in a difference area of one of the two sets of areas and passes through the information stored therein related to the change. The actual process stores the changed information that is transmitted to the back-up process in the original information area of the back-up process and stores the in…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.