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Browse Prior Art Database

Testing of Device Reservation State

IP.com Disclosure Number: IPCOM000049039D
Original Publication Date: 1982-Apr-01
Included in the Prior Art Database: 2005-Feb-09

Publishing Venue

IBM

Related People

Authors:
Meritt, AS [+details]

Abstract

Device reservation is a programming mechanism used to serialize access to a device among multiple sharing systems. It is needed in order to extend the serialization beyond that provided by the execution of a single channel program. This provides the atomicity across multiple I/O operations that is required for many functions.