What is interval control and what are some of the CICS
commands associated with it?
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The CICS interval control program, in conjunction with a
time-of-day machine instruction (MI) interface maintained
by CICS, provides functions that can be performed at a
specific time; such functions are known as time-controlled
functions. The primary task of the CICS interval control
facility is the handling, synchronization, and initiation
of tasks requested by user application programs and CICS
internal service modules. Other functions include obtaining
and formatting time requests for the user.
Using interval control commands, you can:
Start a task at a specified time or after a specified
interval and pass data to it (EXEC CICS START command).
Retrieve data passed on an EXEC CICS START command (EXEC
CICS RETRIEVE command).
Delay the processing of a task (EXEC CICS DELAY command).
Request notification when a specified time has expired
(EXEC CICS POST command).
Wait for an event to occur (EXEC CICS WAIT EVENT command).
Cancel the effect of previous interval control commands
(EXEC CICS CANCEL command).
Request the current date and time of day (EXEC CICS ASKTIME
command).
Select the format of date and time (EXEC CICS FORMATTIME
command).
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