System and method for management of object transitions in an ext

Details System and method for management of object transitions in an ext System and method for management of object transitions in an ext

1996-08-15

1999-03-23

Asta, Frank J.

39520058, 39520083, G06F 1300, G06F 1314

Patent

active

058871357

ABSTRACT:
Two or more user applications executing on one or more processors, each controlled by an operating system, share use of a list and subsidiary list structure within a Structured External Storage (SES) facility to which each processor is connected. One of the applications registers interest in particular state transitions affecting one or more subsidiary lists within the list structure, causing a process within the SES to notify the appropriate processor when a list operation causes the particular state transition, without interrupting processing on the processor. The application receives notice of the state transition by periodically polling a vector within the processor, or by receiving control when a test by the operating system of a summary indicator for the vector causes an application exit to be driven.

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