Using AR/CTL-format checkpoint/restart calls

This section describes how to use AR/CTL-format calls to obtain checkpoint/restart services. These calls are valid in non IMS environments only. The following table summarizes the AR/CTL-format calls available for an application program to request checkpoint/restart services.

AR/CTL-format checkpoint/restart call summary

Call type

Call name

Use

restart

ARCXRST

set up the extended checkpoint/restart environment and invoke AR/CTL processing

checkpoint

ARCECHK or ARCCHKP

initiate checkpoint processing


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