File interval lock generation interface system and method

Details File interval lock generation interface system and method File interval lock generation interface system and method

2007-06-19

2007-06-19

LeRoux, Etienne P. (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

Reexamination Certificate

active

10412152

ABSTRACT:
A computer system having a kernel interface that provides a file lock generation system for generating file interval locks and granting simultaneous access to these locks to application programs requesting access to file objects or portions thereof and provides a common interface to operations upon those objects. An interval is a starting location and length and the locking mechanism grants access to non-overlapping intervals independently.

REFERENCES:
patent: 5946685 (1999-08-01), Cramer et al.
David Lomet: Key Range Locking Strategies for Improved Concurrency, Feb. 10, 1993, Cambridge Research Laboratory, Technical Report Series.

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