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CICS TS - Program Control, Condition Handling and Accessing CICS areas

Duration

4 hours

Overview

The CICS TS - Program Control, Condition Handling and Accessing CICS areas course describes how control is passed between CICS transactions and application programs and how to access CICS controlled storage areas. Information explaining how CICS can be programmed to handle exceptions is also provided.

Audience

Programmers who require knowledge about application programming in the CICS environment and the Command Level Programming Interface

Prerequisites

Knowledge of basic coding in COBOL, PL/1, or Assembler

Objectives

    After completing this course, the student will be able to:
  • Recognize the way CICS passes control between CICS transactions and programs
  • Identify how CICS handles exceptional and error conditions
  • Identify how to access CICS controlled storage areas

Course Content

Program Control Commands

Passing Control between Application Programs
CICS tasks, transactions and programs
Passing a Communication Area between Programs
LINK and XCTL
Terminating a Task - The RETURN Command
LOADing Application Tables

Exceptional Condition Handling

HANDLE CONDITION, the Old Approach
IGNORE CONDITION, the Structured Alternative
HANDLE ABEND, When All Else Fails

Accessing CICS Areas and Information

Older Dynamic Addressing Mechanisms
The CWA, TWA, TCTUA, EIB, CSA, and ACEE
Obtaining Information about the Task and Environment
The ASSIGN command

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