Specifying the default error exit under IMS

GDDM V3R2 Base Application Programming Guide

Specifying the default error exit under IMS

GDDM V3R2 Base Application Programming Guide
SC33-0867-01

GDDM provides a default error exit, which is given control when GDDM detects an error in its processing. The user can control the severity level of an error that causes the exit to be taken and may also identify a user-written error exit, as described in "Example of an error exit routine, using FSEXIT" in topic 8.4.2.2 and in the entry for FSEXIT in the GDDM Base Application Programming Reference book.

The default error exit provided in the IMS environment reports the error using a /BROADCAST command directed to the LTERM named in the I/O PCB. The transaction must, therefore, be authorized to issue this command. If the I/O PCB was not identified to GDDM by the ESPCB call, or the CMD call fails, the error message is issued using a "write to operator" (WTO) function. The route code and message descriptor for this WTO function are contained in GDDM's external defaults. The IMSWTOR and IMSWTOD external defaults can be changed to suit the installation. For information on how to do this, see the GDDM Base Application Programming Reference book.

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