Method and apparatus for processing a list structure

Various enhancements are made to the architecture of a list processor to facilitate its use in implementing a message queue that is shared by queue managers residing across a multisystem complex. A new list structure control-a program list entry identifier indicator, or PLEIDI-is defined to allow th...

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Bibliographic Details
Main Authors WARNES JAMES H, DIEVENDORFF RICHARD, FLAHERTY DERMOT J, ELKO DAVID A, NICK JEFFREY M, WESTCOTT DOUGLAS W, SURMAN DAVID H
Format Patent
LanguageEnglish
Published 08.11.2005
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Various enhancements are made to the architecture of a list processor to facilitate its use in implementing a message queue that is shared by queue managers residing across a multisystem complex. A new list structure control-a program list entry identifier indicator, or PLEIDI-is defined to allow the user to specify whether user-defined entry IDs are used when the list is allocated. A new delete list (DL) command is added that sequentially processes list entries in the order in which they exist on the specified list. A new move list entries (MLES) command provides a performance-optimized means to process an input list of entries. New key comparison functions and list monitoring enhancements have also been added. A new type of key called a secondary list entry key (SLEK) allows the user to specify a secondary key value as a means to identify a list entry.
Bibliography:Application Number: US20000677339