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CICS - Specify CICS transaction initiation process (From the perspective of CICS control programs and control tables)?




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asked mar September 7, 2014 01:10 PM  

Specify CICS transaction initiation process (From the perspective of CICS control programs and control tables)?


           

1 Answers



 
answered By Mswami   0  

TCP places data in TIOA and corresponding entry into TCT.

KCP acquires the transaction identifier from TIOA and verifies if it is present in PCT.

SCP acquires Storage in Task Control Area (TCA), in which KCP prepares control data for the task.

KCP then loads the application programs mentioned in PCT by looking for it in PPT.

If resident - real storage memory location is not present in the PPT the control is passed to PCP that loads the application programs from the physical storage location address given in PPT. The control is then passed to the application program (LOAD module).

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