Restoring the state of a set of files
US5857204A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Jul 2, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99953
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system that applies transaction techniques to file system operations in non-database applications executing on parallel processing systems. For each of a set of file operations, methods embodied in program routines are defined for performing, finalizing, and undoing the operations, so that the operations may be used in a non-database application to create a transaction processing environment. In general, in one aspect, the invention provides a computer program library for adding the semantics of transactions to a set of native operations of a native file system. The library comprises a set of one or more families of routines, each such family of routines corresponding to at least one native operation, each such family of routines including: (a) a Perform routine including instructions for providing the functional equivalent of one of the family's corresponding native operations while preserving information necessary to roll back such native operations; (b) a Finalize routine including instructions for committing the result of the corresponding perform routine; and (c) an Undo routine including instructions for rolling back the result of the corresponding perform routin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.