[#BloombergLP-bdlcc-BoundedQueue-waitUntilEmpty]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/BoundedQueue.adoc[BoundedQueue]::waitUntilEmpty
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:mrdocs:

Block until all the elements in this queue are removed. Return 0 on success, and a non‐zero value otherwise. Specifically, return `e_SUCCESS` on success, `e_DISABLED` if `!isEmpty() && isPopFrontDisabled()`. A blocked thread waiting for the queue to empty will return `e_DISABLED` if `disablePopFront` is invoked.

== Synopsis

Declared in `<bdlcc_boundedqueue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
waitUntilEmpty() const;
----


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