[#BloombergLP-bdlcc-FixedQueueIndexManager-abortPushIndexReservation]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/FixedQueueIndexManager.adoc[FixedQueueIndexManager]::abortPushIndexReservation
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Release the specified `index` and make it available for use in the generation following the specified `generation`. The behavior is undefined unless the calling thread holds a reservation on `generation` and `index`, and `clearPopIndex` and then `commitPushIndex` have been repeatedly invoked with `generation` and `index` as input until no indices remain to clear. Note that this operation is used to facilitate removing all the elements in a circular buffer if an exception is thrown between reserving an index for pushing, and committing that index.

== Synopsis

Declared in `<bdlcc_fixedqueueindexmanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
abortPushIndexReservation(
    unsigned int generation,
    unsigned int index);
----


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