[#BloombergLP-bdlmt-MultiQueueThreadPool-2constructor-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlmt.adoc[bdlmt]::xref:BloombergLP/bdlmt/MultiQueueThreadPool.adoc[MultiQueueThreadPool]::MultiQueueThreadPool
:relfileprefix: ../../../
:mrdocs:

Create a multi‐queue thread pool that uses the specified `threadPool`.

== Synopsis

Declared in `<bdlmt_multiqueuethreadpool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
MultiQueueThreadPool(
    xref:BloombergLP/bdlmt/ThreadPool.adoc[ThreadPool]* threadPool,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Construct a `MultiQueueThreadPool` with the specified `threadPool`. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the default memory allocator is used. The behavior is undefined if `threadPool` is 0. Note that the `MultiQueueThreadPool` is created without any queues. Although queues may be created, `start` must be called before enqueuing jobs.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *threadPool*
| thread pool used to process queue jobs
| *basicAllocator*
| memory allocator; null uses the default
|===


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