[#BloombergLP-bdlcc-SingleConsumerQueueImpl-disablePushBack]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/SingleConsumerQueueImpl.adoc[SingleConsumerQueueImpl]::disablePushBack
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Disable enqueueing into this queue&period; All subsequent invocations of `pushBack` or `tryPushBack` will fail immediately&period; All blocked invocations of `pushBack` will fail immediately&period; If the queue is already enqueue disabled, this method has no effect&period;

== Synopsis

Declared in `&lt;bdlcc&lowbar;singleconsumerqueueimpl&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
disablePushBack();
----


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