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Abstract
IBM i 7.6 now provides an 8-byte return value for heap and static space used in the Open List of Activation APIs.
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You are in: IBM i Technology Updates > General IBM i Operating System > Open List of Activation APIs return larger values for space used
Some application developers want in-depth information about the memory usage of activation groups in which their programs run. They use the Open List of Activation APIs, but those APIs have sometimes overflowed the 4-byte return values for space used, so the max 4-byte value of 4,294,967,295 was returned if the actual value exceeded 4 bytes.
With IBM i 7.6, the APIs for Open List of Activation Attributes (QWVOLACT) and Open List of Activation Group Attributes (QWVOLAGP) now allow 8-byte return values for heap and static space used to explicitly return exact larger values.
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Document Information
Modified date:
04 April 2025
UID
ibm17230098