[#BloombergLP-bdlcc-SingleProducerQueueImpl-disablePopFront] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/SingleProducerQueueImpl.adoc[SingleProducerQueueImpl]::disablePopFront :relfileprefix: ../../../ :mrdocs: Disable dequeueing from this queue. All subsequent invocations of `popFront` or `tryPopFront` will fail immediately. All blocked invocations of `popFront` and `waitUntilEmpty` will fail immediately. If the queue is already dequeue disabled, this method has no effect. == Synopsis Declared in `<bdlcc_singleproducerqueueimpl.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void disablePopFront(); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#