Dynamic inactivation of program exits of the application program

Details Dynamic inactivation of program exits of the application program Dynamic inactivation of program exits of the application program

1990-06-21

1992-08-04

Anderson, Lawrence E.

Boots, shoes, and leggings

364286, 364280, G06F 900

Patent

active

051367106

ABSTRACT:
An arrangement and method of inactivating dynamically an exit in a computer system. An exit is a program module associated with a first program and which is invoked while active by a second program in response to the occurrence of a prescribed system event. When a request to inactivate exit is received, it is determined if one or more invocations of the exit are in progress or scheduled. If an invocation of the exit is not in progress or scheduled, the exit is marked as inactive. However, if one or more invocations of the exit are in progress or scheduled, the exit is marked as inactive only when all such invocations that are in progress or scheduled are complete.

REFERENCES:
patent: 4389706 (1983-06-01), Gomola et al.
patent: 5036484 (1991-07-01), McCoy et al.
patent: 5067073 (1991-11-01), Andrews
IBM MVS/ESA System Programming Library: Installation Exits: JES2 Version 3, JES3 Version 3, Dec. 1989, pp. 1-12.
IBM Network Program Products (NCP, NETVIEW, VTAM) Planning, Oct. 1988, pp. 120, 123 & 145.

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