Determining a winner of a race in a data processing system

A first peer entity in a data processing system comprising a plurality of similar peer entities searches for a share control file for a system privilege. The share control file contains an address of a master entity which controls the system privilege. The plurality of entities may be either a plura...

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Bibliographic Details
Main Author MADDURI; HARI H
Format Patent
LanguageEnglish
Published 03.09.1996
Edition6
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract A first peer entity in a data processing system comprising a plurality of similar peer entities searches for a share control file for a system privilege. The share control file contains an address of a master entity which controls the system privilege. The plurality of entities may be either a plurality of peer processors or If the first entity does not find a share control file, it creates a share control file which contains its system and maintain an exclusive write lock on the storage control file address. Each subsequent entity competing for the system privilege will also search for the share control file. However, since the subsequent entities will find the share control file created by the first entity, these entities read the share control file for the address of the master entity. The invention may be used in a multi or single processor environment.
AbstractList A first peer entity in a data processing system comprising a plurality of similar peer entities searches for a share control file for a system privilege. The share control file contains an address of a master entity which controls the system privilege. The plurality of entities may be either a plurality of peer processors or If the first entity does not find a share control file, it creates a share control file which contains its system and maintain an exclusive write lock on the storage control file address. Each subsequent entity competing for the system privilege will also search for the share control file. However, since the subsequent entities will find the share control file created by the first entity, these entities read the share control file for the address of the master entity. The invention may be used in a multi or single processor environment.
Author MADDURI; HARI H
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Snippet A first peer entity in a data processing system comprising a plurality of similar peer entities searches for a share control file for a system privilege. The...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Determining a winner of a race in a data processing system
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